[rubygem-ruby2ruby/f21] Update to 2.1.1, latest pt_testcase, fix rawhide build

Vít Ondruch vondruch at fedoraproject.org
Fri Aug 1 08:36:04 UTC 2014


commit 01c97854dd1f975a1840fb60a7f95cff6ded62e2
Author: Mo Morsi <mmorsi at redhat.com>
Date:   Thu Jul 31 15:17:40 2014 -0400

    Update to 2.1.1, latest pt_testcase, fix rawhide build

 pt_testcase.rb         | 3532 +++++++++++++++---------------------------------
 rubygem-ruby2ruby.spec |   28 +-
 2 files changed, 1129 insertions(+), 2431 deletions(-)
---
diff --git a/pt_testcase.rb b/pt_testcase.rb
index 97cb77f..35ff2c0 100644
--- a/pt_testcase.rb
+++ b/pt_testcase.rb
@@ -1,3 +1,5 @@
+# encoding: US-ASCII
+
 $TESTING = true
 
 require 'minitest/unit'
@@ -6,8 +8,6 @@ require 'sexp_processor' # for deep_clone
 # key:
 # wwtt = what were they thinking?
 
-# TODO: <ko1_> 1.8.7 support {|&b|} syntax
-
 class Examples
   attr_reader :reader
   attr_writer :writer
@@ -32,7 +32,7 @@ class Examples
     RUBY_VERSION < "1.9"
 end
 
-class ParseTreeTestCase < MiniTest::Unit::TestCase
+class ParseTreeTestCase < Minitest::Test
   attr_accessor :processor # to be defined by subclass
 
   def setup
@@ -71,6 +71,20 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
     end
   end
 
+  def self.add_18tests name, hash
+    add_tests "#{name}__18", hash
+  end
+
+  def self.add_19tests name, hash
+    add_tests "#{name}__19", hash
+  end
+
+  def self.add_19edgecases ruby, sexp, cases
+    cases.each do |name, code|
+      add_19tests name, "Ruby" => code, "ParseTree" => sexp, "Ruby2Ruby" => ruby
+    end
+  end
+
   def self.clone_same
     @@testcases.each do |node, data|
       data.each do |key, val|
@@ -88,9 +102,16 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
   end
 
   def self.generate_test klass, node, data, input_name, output_name
-    klass.send(:define_method, "test_#{node}".to_sym) do
+    klass.send :define_method, "test_#{node}" do
       flunk "Processor is nil" if processor.nil?
 
+      if node =~ /(1[89]|2[01])$/ then
+        version = $1
+        # can't push this up because it may be generating into an
+        # abstract test class and the actual subclass is versioned.
+        return "version specific test" unless self.class.name =~ /#{version}/
+      end
+
       assert data.has_key?(input_name), "Unknown input data"
       assert data.has_key?(output_name), "Missing test data"
 
@@ -118,7 +139,7 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
         # body into an assertion. It'll allow subclasses to hook in
         # and add behavior before or after the processor does it's
         # thing. If you go the body refactor route, some of the
-        # RawParseTree test casese fail for completely bogus reasons.
+        # RawParseTree test cases fail for completely bogus reasons.
 
         before_process_hook klass, node, data, input_name, output_name
         refute_nil data[input_name], "testcase does not exist?"
@@ -199,92 +220,480 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
   ############################################################
   # Shared TestCases:
 
-  @@testcase_order = %w(Ruby RawParseTree ParseTree)
+  @@testcase_order = %w(Ruby ParseTree)
 
   @@testcases = Hash.new { |h,k| h[k] = {} }
 
+  ###
+  # 1.8 specific tests
+
+  add_18tests("call_arglist_norm_hash_splat",
+              "Ruby"         => "o.m(42, :a => 1, :b => 2, *c)",
+              "ParseTree"    => s(:call,
+                                  s(:call, nil, :o), :m,
+                                  s(:lit, 42),
+                                  s(:hash,
+                                    s(:lit, :a), s(:lit, 1),
+                                    s(:lit, :b), s(:lit, 2)),
+                                  s(:splat, s(:call, nil, :c))))
+
+  add_18tests("call_arglist_space",
+              "Ruby"         => "a (1,2,3)",
+              "ParseTree"    => s(:call, nil, :a,
+                                  s(:lit, 1), s(:lit, 2), s(:lit, 3)),
+              "Ruby2Ruby"    => "a(1, 2, 3)")
+
+  add_18tests("fcall_arglist_norm_hash_splat",
+              "Ruby"         => "m(42, :a => 1, :b => 2, *c)",
+              "ParseTree"    => s(:call, nil, :m,
+                                  s(:lit, 42),
+                                  s(:hash,
+                                    s(:lit, :a), s(:lit, 1),
+                                    s(:lit, :b), s(:lit, 2)),
+                                  s(:splat, s(:call, nil, :c))))
+
+  add_18tests("if_args_no_space_symbol",
+              "Ruby"       => "x if y:z",
+              "ParseTree"  => s(:if,
+                                s(:call, nil, :y,  s(:lit, :z)),
+                                s(:call, nil, :x),
+                                nil),
+              "Ruby2Ruby"  => "x if y(:z)")
+
+  add_18tests("if_post_not",
+              "Ruby"         => "a if not b",
+              "ParseTree"    => s(:if, s(:call, nil, :b), nil,
+                                  s(:call, nil, :a)),
+              "Ruby2Ruby"    => "a unless b")
+
+  add_18tests("if_pre_not",
+              "Ruby"         => "if not b then a end",
+              "ParseTree"    => s(:if, s(:call, nil, :b), nil,
+                                  s(:call, nil, :a)),
+              "Ruby2Ruby"    => "a unless b")
+
+  add_18tests("iter_args_ivar",
+              "Ruby"         => "a { |@a| 42 }",
+              "ParseTree"    => s(:iter,
+                                  s(:call, nil, :a),
+                                  s(:args, :@a),
+                                  s(:lit, 42)))
+
+  add_18tests("iter_masgn_args_ivar",
+              "Ruby"         => "a { |a, @b| 42 }",
+              "ParseTree"    => s(:iter,
+                                  s(:call, nil, :a),
+                                  s(:args, :a, :@b),
+                                  s(:lit, 42)))
+
+  add_18tests("not",
+              "Ruby"         => "(not true)",
+              "ParseTree"    => s(:not, s(:true)))
+
+  add_18tests("str_question_control",
+              "Ruby"         => '?\M-\C-a',
+              "ParseTree"    => s(:lit, 129),
+              "Ruby2Ruby"    => "129")
+
+  add_18tests("str_question_escape",
+              "Ruby"         => '?\n',
+              "ParseTree"    => s(:lit, 10),
+              "Ruby2Ruby"    => "10")
+
+  add_18tests("str_question_literal",
+              "Ruby"         => '?a',
+              "ParseTree"    => s(:lit, 97),
+              "Ruby2Ruby"    => "97")
+
+  add_18tests("unless_post_not",
+              "Ruby"         => "a unless not b",
+              "ParseTree"    => s(:if, s(:call, nil, :b),
+                                  s(:call, nil, :a), nil),
+              "Ruby2Ruby"    => "a if b")
+
+  add_18tests("unless_pre_not",
+              "Ruby"         => "unless not b then a end",
+              "ParseTree"    => s(:if, s(:call, nil, :b),
+                                  s(:call, nil, :a), nil),
+              "Ruby2Ruby"    => "a if b")
+
+  add_18tests("until_post_not",
+              "Ruby"         => "begin\n  (1 + 1)\nend until not true",
+              "ParseTree"    => s(:while, s(:true),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), false),
+              "Ruby2Ruby"    => "begin\n  (1 + 1)\nend while true")
+
+  add_18tests("until_pre_not",
+              "Ruby"         => "until not true do\n  (1 + 1)\nend",
+              "ParseTree"    => s(:while, s(:true),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
+              "Ruby2Ruby"    => "while true do\n  (1 + 1)\nend")
+
+  add_18tests("until_pre_not_mod",
+              "Ruby"         => "(1 + 1) until not true",
+              "ParseTree"    => s(:while, s(:true),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
+              "Ruby2Ruby"    => "while true do\n  (1 + 1)\nend")
+
+  add_18tests("while_post_not",
+              "Ruby"         => "begin\n  (1 + 1)\nend while not true",
+              "ParseTree"    => s(:until, s(:true),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), false),
+              "Ruby2Ruby"    => "begin\n  (1 + 1)\nend until true")
+
+  add_18tests("while_pre_not",
+              "Ruby"         => "while not true do\n  (1 + 1)\nend",
+              "ParseTree"    => s(:until, s(:true),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
+              "Ruby2Ruby"    => "until true do\n  (1 + 1)\nend")
+
+  add_18tests("while_pre_not_mod",
+              "Ruby"         => "(1 + 1) while not true",
+              "ParseTree"    => s(:until, s(:true),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
+              "Ruby2Ruby"    => "until true do\n  (1 + 1)\nend") # FIX
+
+  ###
+  # 1.9 specific tests
+
+  add_19edgecases("lambda { || (x + 1) }",
+                  s(:iter,
+                    s(:call, nil, :lambda),
+                    0,
+                    s(:call, s(:call, nil, :x), :+, s(:lit, 1))),
+                  "stabby_args_0"                 => "->() { (x + 1) }",
+                  "stabby_args_0_doend"           => "->() do (x + 1) end",
+                  "stabby_args_0_no_parens"       => "-> { (x + 1) }",
+                  "stabby_args_0_no_parens_doend" => "-> do (x + 1) end",
+                  "stabby_args_0_spacebar_broken" => "->{x+1}") # I hate you
+
+  add_19edgecases("lambda { |x, y| (x + y) }",
+                  s(:iter,
+                    s(:call, nil, :lambda),
+                    s(:args, :x, :y),
+                    s(:call, s(:lvar, :x), :+, s(:lvar, :y))),
+                  "stabby_args_2"                 => "->(x, y) { (x + y) }",
+                  "stabby_args_2_doend"           => "->(x, y) do (x + y) end",
+                  "stabby_args_2_no_parens"       => "-> x, y { (x + y) }",
+                  "stabby_args_2_no_parens_doend" => "-> x, y do (x + y) end")
+
+  add_19edgecases("lambda { |x| (x + 1) }",
+                  s(:iter,
+                    s(:call, nil, :lambda),
+                    s(:args, :x),
+                    s(:call, s(:lvar, :x), :+, s(:lit, 1))),
+                  "stabby_args_1"                 => "->(x) { (x + 1) }",
+                  "stabby_args_1_doend"           => "->(x) do (x + 1) end",
+                  "stabby_args_1_no_parens"       => "-> x { (x + 1) }",
+                  "stabby_args_1_no_parens_doend" => "-> x do (x + 1) end")
+
+  add_19tests("array_bare_hash",
+              "Ruby"         => "[:a, :b => :c]",
+              "ParseTree"    => s(:array,
+                                  s(:lit, :a),
+                                  s(:hash,
+                                    s(:lit, :b),
+                                    s(:lit, :c))),
+              "Ruby2Ruby"    => "[:a, { :b => :c }]")
+
+  add_19tests("array_bare_hash_labels",
+              "Ruby"         => "[:a, b: :c]",
+              "ParseTree"    => s(:array,
+                                  s(:lit, :a),
+                                  s(:hash,
+                                    s(:lit, :b),
+                                    s(:lit, :c))),
+              "Ruby2Ruby"    => "[:a, { :b => :c }]")
+
+  add_19tests("call_arglist_norm_hash_colons",
+              "Ruby"         => "o.m(42, a: 1, b: 2)",
+              "ParseTree"    => s(:call,
+                                  s(:call, nil, :o),
+                                  :m,
+                                  s(:lit, 42),
+                                  s(:hash,
+                                    s(:lit, :a), s(:lit, 1),
+                                    s(:lit, :b), s(:lit, 2))),
+              "Ruby2Ruby"    => "o.m(42, :a => 1, :b => 2)")
+
+  add_19tests("call_arglist_trailing_comma",
+              "Ruby"         => "a(1,2,3,)",
+              "ParseTree"    => s(:call,
+                                  nil,
+                                  :a,
+                                  s(:lit, 1), s(:lit, 2), s(:lit, 3)),
+              "Ruby2Ruby"    => "a(1, 2, 3)")
+
+  add_19tests("call_bang",
+              "Ruby"         => "!a",
+              "ParseTree"    => s(:call,
+                                  s(:call, nil, :a),
+                                  :"!"))
+
+  add_19tests("call_bang_empty",
+              "Ruby"         => "! ()",
+              "ParseTree"    => s(:call, s(:nil), :"!"))
+
+  add_19tests("call_fonz",
+              "Ruby"         => "a.()",
+              "ParseTree"    => s(:call, s(:call, nil, :a), :call),
+              "Ruby2Ruby"    => "a.call")
+
+  add_19tests("call_fonz_cm",
+              "Ruby"         => "a::()",
+              "ParseTree"    => s(:call, s(:call, nil, :a), :call),
+              "Ruby2Ruby"    => "a.call")
+
+  add_19tests("call_not",
+              "Ruby"      => "not (42)",
+              "ParseTree" => s(:call, s(:lit, 42), :"!"))
+
+  # add_19tests("call_not_empty",
+  #             "Ruby"      => "not ()",
+  #             "ParseTree" => s(:call, s(:lit, 42), :"!"))
+
+  add_19tests("call_not_equal",
+            "Ruby"         => "a != b",
+            "ParseTree"    => s(:call,
+                                s(:call, nil, :a),
+                                :"!=",
+                                s(:call, nil, :b)))
+
+  add_19tests("call_splat_mid",
+              "Ruby"      => "def f(a = nil, *b, c)\n  # do nothing\nend",
+              "ParseTree" => s(:defn, :f,
+                               s(:args, s(:lasgn, :a, s(:nil)), :"*b", :c),
+                               s(:nil)))
+
+  add_19tests("defn_args_mand_opt_mand",
+              "Ruby"      => "def f(mand1, opt = 42, mand2)\n  # do nothing\nend",
+              "ParseTree" => s(:defn, :f,
+                               s(:args, :mand1, s(:lasgn, :opt, s(:lit, 42)), :mand2),
+                               s(:nil)))
+
+  add_19tests("defn_args_mand_opt_splat_mand",
+              "Ruby"      => "def f(mand1, opt = 42, *rest, mand2)\n  # do nothing\nend",
+              "ParseTree" => s(:defn, :f,
+                               s(:args, :mand1, s(:lasgn, :opt, s(:lit, 42)), :"*rest", :mand2),
+                               s(:nil)))
+
+  add_19tests("defn_args_opt_mand",
+              "Ruby"      => "def f(opt = 42, mand)\n  # do nothing\nend",
+              "ParseTree" => s(:defn, :f,
+                               s(:args, s(:lasgn, :opt, s(:lit, 42)), :mand),
+                               s(:nil)))
+
+  add_19tests("defn_args_opt_splat_mand",
+              "Ruby"      => "def f(opt = 42, *rest, mand)\n  # do nothing\nend",
+              "ParseTree" => s(:defn, :f,
+                               s(:args, s(:lasgn, :opt, s(:lit, 42)), :"*rest", :mand),
+                               s(:nil)))
+
+  add_19tests("defn_args_splat_mand",
+              "Ruby"         => "def f(*rest, mand)\n  # do nothing\nend",
+              "ParseTree"    => s(:defn, :f,
+                                  s(:args, :"*rest", :mand),
+                                  s(:nil)))
+
+  add_19tests("defn_args_splat_middle",
+            "Ruby"         => "def f(first, *middle, last)\n  # do nothing\nend",
+            "ParseTree"    => s(:defn, :f,
+                                s(:args, :first, :"*middle", :last),
+                                s(:nil)))
+
+  add_19tests("fcall_arglist_hash_colons",
+              "Ruby"         => "m(a: 1, b: 2)",
+              "ParseTree"    => s(:call, nil, :m,
+                                  s(:hash,
+                                    s(:lit, :a), s(:lit, 1),
+                                    s(:lit, :b), s(:lit, 2))),
+              "Ruby2Ruby"    => "m(:a => 1, :b => 2)")
+
+  add_19tests("hash_new",
+              "Ruby"         => "{ a: 1, b: 2 }",
+              "ParseTree"    => s(:hash,
+                                  s(:lit, :a), s(:lit, 1),
+                                  s(:lit, :b), s(:lit, 2)),
+              "Ruby2Ruby"    => "{ :a => 1, :b => 2 }")
+
+  add_19tests("hash_new_no_space",
+              "Ruby"         => "{a:1,b:2}",
+              "ParseTree"    => s(:hash,
+                                  s(:lit, :a), s(:lit, 1),
+                                  s(:lit, :b), s(:lit, 2)),
+              "Ruby2Ruby"    => "{ :a => 1, :b => 2 }")
+
+  add_19tests("hash_new_with_keyword",
+              "Ruby"         => "{ true: 1, b: 2 }",
+              "ParseTree"    => s(:hash,
+                                  s(:lit, :true), s(:lit, 1),
+                                  s(:lit, :b), s(:lit, 2)),
+              "Ruby2Ruby"    => "{ :true => 1, :b => 2 }")
+
+  add_19tests("if_post_not",
+              "Ruby"         => "a if not b",
+              "ParseTree"    => s(:if, s(:call, s(:call, nil, :b), :"!"),
+                                  s(:call, nil, :a),
+                                  nil),
+              "Ruby2Ruby"    => "a unless b")
+
+  add_19tests("if_pre_not",
+              "Ruby"         => "if not b then a end",
+              "ParseTree"    => s(:if, s(:call, s(:call, nil, :b), :"!"),
+                                  s(:call, nil, :a),
+                                  nil),
+              "Ruby2Ruby"    => "a unless b")
+
+  add_19tests("label_in_bare_hash_in_array_in_ternary",
+              "Ruby"         => "1 ? [:a, b: 2] : 1",
+              "ParseTree"    => s(:if, s(:lit, 1),
+                                  s(:array,
+                                    s(:lit, :a),
+                                    s(:hash, s(:lit, :b), s(:lit, 2))),
+                                  s(:lit, 1)),
+              "Ruby2Ruby"    => "1 ? ([:a, { :b => 2 }]) : (1)")
+
+  add_19tests("label_in_callargs_in_ternary",
+              "Ruby"         => "1 ? m(a: 2) : 1",
+              "ParseTree"    => s(:if, s(:lit, 1),
+                                  s(:call, nil, :m,
+                                    s(:hash, s(:lit, :a), s(:lit, 2))),
+                                  s(:lit, 1)),
+              "Ruby2Ruby"    => "1 ? (m(:a => 2)) : (1)")
+
+  add_19tests("not",
+              "Ruby"         => "(not true)",
+              "ParseTree"    => s(:call, s(:true), :"!"))
+
+  add_19tests("splat_fcall_middle",
+              "Ruby"         => "meth(1, *[2], 3)",
+              "ParseTree"    => s(:call,
+                                  nil,
+                                  :meth,
+                                  s(:lit, 1),
+                                  s(:splat, s(:array, s(:lit, 2))),
+                                  s(:lit, 3)))
+
+  add_19tests("str_question_control",
+              "Ruby"         => '?\M-\C-a',
+              "ParseTree"    => s(:str, "\x81"))
+
+  add_19tests("str_question_escape",
+              "Ruby"         => '?\n',
+              "ParseTree"    => s(:str, "\n"))
+
+  add_19tests("str_question_literal",
+              "Ruby"         => '?a',
+              "ParseTree"    => s(:str, "a"))
+
+  add_19tests("unless_post_not",
+              "Ruby"         => "a unless not b",
+              "ParseTree"    => s(:if, s(:call, s(:call, nil, :b), :"!"),
+                                  nil,
+                                  s(:call, nil, :a)),
+              "Ruby2Ruby"    => "a if b")
+
+  add_19tests("unless_pre_not",
+              "Ruby"         => "unless not b then a end",
+              "ParseTree"    => s(:if, s(:call, s(:call, nil, :b), :"!"),
+                                  nil,
+                                  s(:call, nil, :a)),
+              "Ruby2Ruby"    => "a if b")
+
+  add_19tests("until_post_not",
+              "Ruby"         => "begin\n  (1 + 1)\nend until not true",
+              "ParseTree"    => s(:until, s(:call, s(:true), :"!"),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), false),
+              "Ruby2Ruby"    => "begin\n  (1 + 1)\nend while true")
+
+  add_19tests("until_pre_not",
+              "Ruby"         => "until not true do\n  (1 + 1)\nend",
+              "ParseTree"    => s(:until, s(:call, s(:true), :"!"),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
+              "Ruby2Ruby"    => "while true do\n  (1 + 1)\nend")
+
+  add_19tests("until_pre_not_mod",
+              "Ruby"         => "(1 + 1) until not true",
+              "ParseTree"    => s(:until, s(:call, s(:true), :"!"),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
+              "Ruby2Ruby"    => "while true do\n  (1 + 1)\nend")
+
+  add_19tests("while_post_not",
+              "Ruby"         => "begin\n  (1 + 1)\nend while not true",
+              "ParseTree"    => s(:while, s(:call, s(:true), :"!"),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), false),
+              "Ruby2Ruby"    => "begin\n  (1 + 1)\nend until true")
+
+  add_19tests("while_pre_not",
+              "Ruby"         => "while not true do\n  (1 + 1)\nend",
+              "ParseTree"    => s(:while, s(:call, s(:true), :"!"),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
+              "Ruby2Ruby"    => "until true do\n  (1 + 1)\nend")
+
+  add_19tests("while_pre_not_mod",
+              "Ruby"         => "(1 + 1) while not true",
+              "ParseTree"    => s(:while, s(:call, s(:true), :"!"),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
+              "Ruby2Ruby"    => "until true do\n  (1 + 1)\nend") # FIX
+
+  ###
+  # Shared tests:
+
   add_tests("alias",
             "Ruby"         => "class X\n  alias :y :x\nend",
-            "RawParseTree" => [:class, :X, nil,
-                               [:scope, [:alias, [:lit, :y], [:lit, :x]]]],
             "ParseTree"    => s(:class, :X, nil,
-                                s(:scope, s(:alias, s(:lit, :y), s(:lit, :x)))))
+                                s(:alias, s(:lit, :y), s(:lit, :x))))
 
   add_tests("alias_ugh",
             "Ruby"         => "class X\n  alias y x\nend",
-            "RawParseTree" => [:class, :X, nil,
-                               [:scope, [:alias, [:lit, :y], [:lit, :x]]]],
             "ParseTree"    => s(:class, :X, nil,
-                                s(:scope, s(:alias, s(:lit, :y), s(:lit, :x)))),
+                                s(:alias, s(:lit, :y), s(:lit, :x))),
             "Ruby2Ruby"    => "class X\n  alias :y :x\nend")
 
   add_tests("and",
-            "Ruby"         => "(a and b)",
-            "RawParseTree" => [:and, [:vcall, :a], [:vcall, :b]],
+            "Ruby"         => "a and b",
             "ParseTree"    => s(:and,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:call, nil, :b, s(:arglist))))
+                                s(:call, nil, :a),
+                                s(:call, nil, :b)))
 
   add_tests("argscat_inside",
             "Ruby"         => "a = [b, *c]",
-            "RawParseTree" => [:lasgn, :a,
-                               [:argscat,
-                                [:array, [:vcall, :b]], [:vcall, :c]]],
             "ParseTree"    => s(:lasgn, :a,
                                 s(:array,
-                                  s(:call, nil, :b, s(:arglist)),
-                                  s(:splat, s(:call, nil, :c, s(:arglist))))))
+                                  s(:call, nil, :b),
+                                  s(:splat, s(:call, nil, :c)))))
 
   add_tests("argscat_svalue",
             "Ruby"         => "a = b, c, *d",
-            "RawParseTree" => [:lasgn, :a,
-                               [:svalue,
-                                [:argscat,
-                                 [:array, [:vcall, :b], [:vcall, :c]],
-                                 [:vcall, :d]]]],
             "ParseTree"    => s(:lasgn, :a,
                                 s(:svalue,
                                   s(:array,
-                                    s(:call, nil, :b, s(:arglist)),
-                                    s(:call, nil, :c, s(:arglist)),
+                                    s(:call, nil, :b),
+                                    s(:call, nil, :c),
                                     s(:splat,
-                                      s(:call, nil, :d, s(:arglist)))))))
+                                      s(:call, nil, :d))))))
 
   add_tests("argspush",
             "Ruby"         => "a[*b] = c",
-            "RawParseTree" => [:attrasgn,
-                               [:vcall, :a],
-                               :[]=,
-                               [:argspush,
-                                [:splat,
-                                 [:vcall, :b]],
-                                [:vcall, :c]]],
             "ParseTree"    => s(:attrasgn,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 :[]=,
-                                s(:arglist,
-                                  s(:splat,
-                                    s(:call, nil, :b, s(:arglist))),
-                                  s(:call, nil, :c, s(:arglist)))))
+                                s(:splat,
+                                  s(:call, nil, :b)),
+                                s(:call, nil, :c)))
 
   add_tests("array",
             "Ruby"         => "[1, :b, \"c\"]",
-            "RawParseTree" => [:array, [:lit, 1], [:lit, :b], [:str, "c"]],
             "ParseTree"    => s(:array, s(:lit, 1), s(:lit, :b), s(:str, "c")))
 
   add_tests("array_pct_W",
             "Ruby"         => "%W[a b c]",
-            "RawParseTree" => [:array, [:str, "a"], [:str, "b"], [:str, "c"]],
             "ParseTree"    => s(:array,
                                 s(:str, "a"), s(:str, "b"), s(:str, "c")),
             "Ruby2Ruby"    => "[\"a\", \"b\", \"c\"]")
 
   add_tests("array_pct_W_dstr",
             "Ruby"         => "%W[a #\{@b} c]",
-            "RawParseTree" => [:array,
-                               [:str, "a"],
-                               [:dstr, "", [:evstr, [:ivar, :@b]]],
-                               [:str, "c"]],
             "ParseTree"    => s(:array,
                                 s(:str, "a"),
                                 s(:dstr, "", s(:evstr, s(:ivar, :@b))),
@@ -293,17 +702,12 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("array_pct_w",
             "Ruby"         => "%w[a b c]",
-            "RawParseTree" => [:array, [:str, "a"], [:str, "b"], [:str, "c"]],
             "ParseTree"    => s(:array,
                                 s(:str, "a"), s(:str, "b"), s(:str, "c")),
             "Ruby2Ruby"    => "[\"a\", \"b\", \"c\"]")
 
   add_tests("array_pct_w_dstr",
             "Ruby"         => "%w[a #\{@b} c]",
-            "RawParseTree" => [:array,
-                               [:str, "a"],
-                               [:str, "#\{@b}"],
-                               [:str, "c"]],
             "ParseTree"    => s(:array,
                                 s(:str, "a"),
                                 s(:str, "#\{@b}"),
@@ -312,39 +716,28 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("attrasgn",
             "Ruby"         => "y = 0\n42.method = y\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :y, [:lit, 0]],
-                               [:attrasgn, [:lit, 42], :method=,
-                                [:array, [:lvar, :y]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :y, s(:lit, 0)),
-                                s(:attrasgn, s(:lit, 42), :method=,
-                                  s(:arglist, s(:lvar, :y)))))
+                                s(:attrasgn,
+                                  s(:lit, 42), :method=, s(:lvar, :y))))
 
   add_tests("attrasgn_index_equals",
             "Ruby"         => "a[42] = 24",
-            "RawParseTree" => [:attrasgn, [:vcall, :a], :[]=,
-                               [:array, [:lit, 42], [:lit, 24]]],
             "ParseTree"    => s(:attrasgn,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 :[]=,
-                                s(:arglist, s(:lit, 42), s(:lit, 24))))
+                                s(:lit, 42), s(:lit, 24)))
 
   add_tests("attrasgn_index_equals_space",
             "Ruby"         => "a = []; a [42] = 24",
-            "RawParseTree" => [:block,
-                               [:lasgn, :a, [:zarray]],
-                               [:attrasgn, [:lvar, :a], :[]=,
-                                [:array, [:lit, 42], [:lit, 24]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :a, s(:array)),
                                 s(:attrasgn, s(:lvar, :a), :[]=,
-                                  s(:arglist, s(:lit, 42), s(:lit, 24)))),
+                                  s(:lit, 42), s(:lit, 24))),
             "Ruby2Ruby"    => "a = []\na[42] = 24\n")
 
   add_tests("attrset",
             "Ruby"         => [Examples, :writer=],
-            "RawParseTree" => [:defn, :writer=, [:attrset, :@writer]],
             "ParseTree"    => s(:defn, :writer=,
                                 s(:args, :arg),
                                 s(:attrset, :@writer)),
@@ -352,11 +745,6 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("back_ref",
             "Ruby"         => "[$&, $`, $', $+]",
-            "RawParseTree" => [:array,
-                               [:back_ref, :&],
-                               [:back_ref, :"`"],
-                               [:back_ref, :"'"],
-                               [:back_ref, :+]],
             "ParseTree"    => s(:array,
                                 s(:back_ref, :&),
                                 s(:back_ref, :"`"),
@@ -365,37 +753,24 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("begin",
             "Ruby"         => "begin\n  (1 + 1)\nend",
-            "RawParseTree" => [:call, [:lit, 1], :+, [:array, [:lit, 1]]],
-            "ParseTree"    => s(:call, s(:lit, 1), :+,
-                                s(:arglist, s(:lit, 1))),
+            "ParseTree"    => s(:call, s(:lit, 1), :+, s(:lit, 1)),
             "Ruby2Ruby"    => "(1 + 1)")
 
   add_tests("begin_def",
             "Ruby"         => "def m\n  begin\n\n  end\nend",
-            "RawParseTree" => [:defn, :m, [:scope, [:block, [:args], [:nil]]]],
-            "ParseTree"    => s(:defn, :m, s(:args),
-                                s(:scope, s(:block, s(:nil)))),
+            "ParseTree"    => s(:defn, :m, s(:args), s(:nil)),
             "Ruby2Ruby"    => "def m\n  # do nothing\nend")
 
   add_tests("begin_rescue_ensure",
             "Ruby"         => "begin\n  a\nrescue\n  # do nothing\nensure\n  # do nothing\nend",
-            "RawParseTree" => [:ensure,
-                               [:rescue,
-                                [:vcall, :a],
-                                [:resbody, nil]],
-                               [:nil]],
             "ParseTree"    => s(:ensure,
                                 s(:rescue,
-                                  s(:call, nil, :a, s(:arglist)),
+                                  s(:call, nil, :a),
                                   s(:resbody, s(:array), nil)),
                                 s(:nil)))
 
   add_tests("begin_rescue_ensure_all_empty",
             "Ruby"         => "begin\n  # do nothing\nrescue\n  # do nothing\nensure\n  # do nothing\nend",
-            "RawParseTree" => [:ensure,
-                               [:rescue,
-                                [:resbody, nil]],
-                               [:nil]],
             "ParseTree"    => s(:ensure,
                                 s(:rescue,
                                   s(:resbody, s(:array), nil)),
@@ -403,587 +778,279 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("begin_rescue_twice",
             "Ruby"         => "begin\n  a\nrescue => mes\n  # do nothing\nend\nbegin\n  b\nrescue => mes\n  # do nothing\nend\n",
-            "RawParseTree" => [:block,
-                               [:rescue,
-                                [:vcall, :a],
-                                [:resbody, nil,
-                                 [:lasgn, :mes, [:gvar, :$!]]]],
-                               [:rescue,
-                                [:vcall, :b],
-                                [:resbody, nil,
-                                 [:lasgn, :mes, [:gvar, :$!]]]]],
             "ParseTree"    => s(:block,
                                 s(:rescue,
-                                  s(:call, nil, :a, s(:arglist)),
+                                  s(:call, nil, :a),
                                   s(:resbody,
                                     s(:array, s(:lasgn, :mes, s(:gvar, :$!))),
                                     nil)),
                                 s(:rescue,
-                                  s(:call, nil, :b, s(:arglist)),
+                                  s(:call, nil, :b),
                                   s(:resbody,
                                     s(:array,
                                       s(:lasgn, :mes, s(:gvar, :$!))),
                                     nil))))
-
-  add_tests("begin_rescue_twice_mri_verbose_flag",
-            "RawParseTree" => [:block,
-                               [:rescue,                # no begin
-                                [:vcall, :a],
-                                [:resbody, nil,
-                                 [:lasgn, :mes, [:gvar, :$!]]]],
-                               [:rescue,
-                                [:vcall, :b],
-                                [:resbody, nil,
-                                 [:lasgn, :mes, [:gvar, :$!]]]]])
-
   copy_test_case "begin_rescue_twice", "Ruby"
   copy_test_case "begin_rescue_twice", "ParseTree"
 
   add_tests("block_attrasgn",
             "Ruby" => "def self.setup(ctx)\n  bind = allocate\n  bind.context = ctx\n  return bind\nend",
-            "RawParseTree" => [:defs, [:self], :setup,
-                               [:scope,
-                                [:block,
-                                 [:args, :ctx],
-                                 [:lasgn, :bind, [:vcall, :allocate]],
-                                 [:attrasgn, [:lvar, :bind], :context=,
-                                  [:array, [:lvar, :ctx]]],
-                                 [:return, [:lvar, :bind]]]]],
             "ParseTree" => s(:defs, s(:self), :setup,
                              s(:args, :ctx),
-                             s(:scope,
-                               s(:block,
-                                 s(:lasgn, :bind,
-                                   s(:call, nil, :allocate, s(:arglist))),
-                                 s(:attrasgn, s(:lvar, :bind), :context=,
-                                   s(:arglist, s(:lvar, :ctx))),
-                                 s(:return, s(:lvar, :bind))))))
-
+                             s(:lasgn, :bind, s(:call, nil, :allocate)),
+                             s(:attrasgn,
+                               s(:lvar, :bind), :context=, s(:lvar, :ctx)),
+                             s(:return, s(:lvar, :bind))))
 
   add_tests("block_lasgn",
             "Ruby"         => "x = (y = 1\n(y + 2))",
-            "RawParseTree" => [:lasgn, :x,
-                               [:block,
-                                [:lasgn, :y, [:lit, 1]],
-                                [:call, [:lvar, :y], :+, [:array, [:lit, 2]]]]],
             "ParseTree"    => s(:lasgn, :x,
                                 s(:block,
                                   s(:lasgn, :y, s(:lit, 1)),
-                                  s(:call, s(:lvar, :y), :+,
-                                    s(:arglist, s(:lit, 2))))))
+                                  s(:call, s(:lvar, :y), :+, s(:lit, 2)))))
 
   add_tests("block_mystery_block",
             "Ruby"         => "a(b) do\n  if b then\n    true\n  else\n    c = false\n    d { |x| c = true }\n    c\n  end\nend",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a, [:array, [:vcall, :b]]],
-                               nil,
-                               [:if,
-                                [:vcall, :b],
-                                [:true],
-                                [:block,
-                                 [:dasgn_curr, :c, [:false]],
-                                 [:iter,
-                                  [:fcall, :d],
-                                  [:dasgn_curr, :x],
-                                  [:dasgn, :c, [:true]]],
-                                 [:dvar, :c]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a,
-                                  s(:arglist, s(:call, nil, :b, s(:arglist)))),
-                                nil,
+                                s(:call, nil, :a, s(:call, nil, :b)),
+                                s(:args),
                                 s(:if,
-                                  s(:call, nil, :b, s(:arglist)),
+                                  s(:call, nil, :b),
                                   s(:true),
                                   s(:block,
                                     s(:lasgn, :c, s(:false)),
                                     s(:iter,
-                                      s(:call, nil, :d, s(:arglist)),
-                                      s(:lasgn, :x),
+                                      s(:call, nil, :d),
+                                      s(:args, :x),
                                       s(:lasgn, :c, s(:true))),
                                     s(:lvar, :c)))))
 
   add_tests("block_pass_args_and_splat",
             "Ruby"         => "def blah(*args, &block)\n  other(42, *args, &block)\nend",
-            "RawParseTree" => [:defn, :blah,
-                               [:scope,
-                                [:block,
-                                 [:args, :"*args"],
-                                 [:block_arg, :block],
-                                 [:block_pass,
-                                  [:lvar, :block],
-                                  [:fcall, :other,
-                                   [:argscat,
-                                    [:array, [:lit, 42]], [:lvar, :args]]]]]]],
-            "ParseTree"    => s(:defn, :blah,
-                                s(:args, :"*args", :"&block"),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, nil, :other,
-                                      s(:arglist,
-                                        s(:lit, 42),
-                                        s(:splat, s(:lvar, :args)),
-                                        s(:block_pass, s(:lvar, :block))))))))
+            "ParseTree"    => s(:defn, :blah, s(:args, :"*args", :"&block"),
+                                s(:call, nil, :other,
+                                  s(:lit, 42),
+                                  s(:splat, s(:lvar, :args)),
+                                  s(:block_pass, s(:lvar, :block)))))
 
   add_tests("block_pass_call_0",
             "Ruby"         => "a.b(&c)",
-            "RawParseTree" => [:block_pass,
-                               [:vcall, :c], [:call, [:vcall, :a], :b]],
             "ParseTree"    => s(:call,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 :b,
-                                s(:arglist,
-                                  s(:block_pass,
-                                    s(:call, nil, :c, s(:arglist))))))
+                                s(:block_pass, s(:call, nil, :c))))
 
   add_tests("block_pass_call_1",
             "Ruby"         => "a.b(4, &c)",
-            "RawParseTree" => [:block_pass,
-                               [:vcall, :c],
-                               [:call, [:vcall, :a], :b, [:array, [:lit, 4]]]],
             "ParseTree"    => s(:call,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 :b,
-                                s(:arglist,
-                                  s(:lit, 4),
-                                  s(:block_pass,
-                                    s(:call, nil, :c, s(:arglist))))))
+                                s(:lit, 4),
+                                s(:block_pass, s(:call, nil, :c))))
 
   add_tests("block_pass_call_n",
             "Ruby"         => "a.b(1, 2, 3, &c)",
-            "RawParseTree" => [:block_pass,
-                               [:vcall, :c],
-                               [:call, [:vcall, :a], :b,
-                                [:array, [:lit, 1], [:lit, 2], [:lit, 3]]]],
             "ParseTree"    => s(:call,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 :b,
-                                s(:arglist,
-                                  s(:lit, 1), s(:lit, 2), s(:lit, 3),
-                                  s(:block_pass,
-                                    s(:call, nil, :c, s(:arglist))))))
+                                s(:lit, 1), s(:lit, 2), s(:lit, 3),
+                                s(:block_pass, s(:call, nil, :c))))
 
   add_tests("block_pass_fcall_0",
             "Ruby"         => "a(&b)",
-            "RawParseTree" => [:block_pass, [:vcall, :b], [:fcall, :a]],
             "ParseTree"    => s(:call, nil, :a,
-                                s(:arglist,
-                                  s(:block_pass,
-                                    s(:call, nil, :b, s(:arglist))))))
+                                s(:block_pass, s(:call, nil, :b))))
 
   add_tests("block_pass_fcall_1",
             "Ruby"         => "a(4, &b)",
-            "RawParseTree" => [:block_pass,
-                               [:vcall, :b],
-                               [:fcall, :a, [:array, [:lit, 4]]]],
             "ParseTree"    => s(:call, nil, :a,
-                                s(:arglist,
-                                  s(:lit, 4),
-                                  s(:block_pass,
-                                    s(:call, nil, :b, s(:arglist))))))
+                                s(:lit, 4),
+                                s(:block_pass, s(:call, nil, :b))))
 
   add_tests("block_pass_fcall_n",
             "Ruby"         => "a(1, 2, 3, &b)",
-            "RawParseTree" => [:block_pass,
-                               [:vcall, :b],
-                               [:fcall, :a,
-                                [:array, [:lit, 1], [:lit, 2], [:lit, 3]]]],
             "ParseTree"    => s(:call, nil, :a,
-                                s(:arglist,
-                                  s(:lit, 1), s(:lit, 2), s(:lit, 3),
-                                  s(:block_pass,
-                                    s(:call, nil, :b, s(:arglist))))))
+                                s(:lit, 1), s(:lit, 2), s(:lit, 3),
+                                s(:block_pass, s(:call, nil, :b))))
 
   add_tests("block_pass_omgwtf",
             "Ruby"         => "define_attr_method(:x, :sequence_name, &Proc.new { |*args| nil })",
-            "RawParseTree" => [:block_pass,
-                               [:iter,
-                                [:call, [:const, :Proc], :new],
-                                [:masgn, nil, [:dasgn_curr, :args], nil],
-                                [:nil]],
-                               [:fcall, :define_attr_method,
-                                [:array, [:lit, :x], [:lit, :sequence_name]]]],
             "ParseTree"    => s(:call, nil, :define_attr_method,
-                                s(:arglist,
-                                  s(:lit, :x),
-                                  s(:lit, :sequence_name),
-                                  s(:block_pass,
-                                    s(:iter,
-                                      s(:call, s(:const, :Proc), :new,
-                                        s(:arglist)),
-                                      s(:masgn,
-                                        s(:array, s(:splat, s(:lasgn, :args)))),
-                                      s(:nil))))))
+                                s(:lit, :x),
+                                s(:lit, :sequence_name),
+                                s(:block_pass,
+                                  s(:iter,
+                                    s(:call, s(:const, :Proc), :new),
+                                    s(:args, :"*args"),
+                                    s(:nil)))))
 
   add_tests("block_pass_splat",
             "Ruby"         => "def blah(*args, &block)\n  other(*args, &block)\nend",
-            "RawParseTree" => [:defn, :blah,
-                               [:scope,
-                                [:block,
-                                 [:args, :"*args"],
-                                 [:block_arg, :block],
-                                 [:block_pass,
-                                  [:lvar, :block],
-                                  [:fcall, :other,
-                                   [:splat, [:lvar, :args]]]]]]],
             "ParseTree"    => s(:defn, :blah,
                                 s(:args, :"*args", :"&block"),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, nil, :other,
-                                      s(:arglist,
-                                        s(:splat, s(:lvar, :args)),
-                                        s(:block_pass, s(:lvar, :block))))))))
+                                s(:call, nil, :other,
+                                  s(:splat, s(:lvar, :args)),
+                                  s(:block_pass, s(:lvar, :block)))))
 
   add_tests("block_pass_thingy",
             "Ruby"         => "r.read_body(dest, &block)",
-            "RawParseTree" => [:block_pass,
-                               [:vcall, :block],
-                               [:call, [:vcall, :r], :read_body,
-                                [:array, [:vcall, :dest]]]],
             "ParseTree"    => s(:call,
-                                s(:call, nil, :r, s(:arglist)),
+                                s(:call, nil, :r),
                                 :read_body,
-                                s(:arglist,
-                                  s(:call, nil, :dest, s(:arglist)),
-                                  s(:block_pass,
-                                    s(:call, nil, :block, s(:arglist))))))
+                                s(:call, nil, :dest),
+                                s(:block_pass, s(:call, nil, :block))))
 
   add_tests("block_stmt_after",
             "Ruby"         => "def f\n  begin\n    b\n  rescue\n    c\n  end\n\n  d\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:rescue,
-                                  [:vcall, :b],
-                                  [:resbody, nil, [:vcall, :c]]],
-                                 [:vcall, :d]]]],
-            "ParseTree"    => s(:defn, :f,
-                                s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:rescue,
-                                      s(:call, nil, :b, s(:arglist)),
-                                      s(:resbody,
-                                        s(:array),
-                                        s(:call, nil, :c, s(:arglist)))),
-                                    s(:call, nil, :d, s(:arglist))))),
+            "ParseTree"    => s(:defn, :f, s(:args),
+                                s(:rescue,
+                                  s(:call, nil, :b),
+                                  s(:resbody,
+                                    s(:array),
+                                    s(:call, nil, :c))),
+                                s(:call, nil, :d)),
             "Ruby2Ruby"    => "def f\n  b rescue c\n  d\nend")
-
-  add_tests("block_stmt_after_mri_verbose_flag",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:rescue,              # no begin
-                                  [:vcall, :b],
-                                  [:resbody, nil, [:vcall, :c]]],
-                                 [:vcall, :d]]]])
-
   copy_test_case "block_stmt_after", "Ruby"
   copy_test_case "block_stmt_after", "ParseTree"
   copy_test_case "block_stmt_after", "Ruby2Ruby"
 
   add_tests("block_stmt_before",
             "Ruby"         => "def f\n  a\n  begin\n    b\n  rescue\n    c\n  end\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:vcall, :a],
-                                 [:rescue, [:vcall, :b],
-                                  [:resbody, nil, [:vcall, :c]]]]]],
-            "ParseTree"    => s(:defn, :f,
-                                s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, nil, :a, s(:arglist)),
-                                    s(:rescue, s(:call, nil, :b, s(:arglist)),
-                                      s(:resbody,
-                                        s(:array),
-                                        s(:call, nil, :c, s(:arglist))))))),
+            "ParseTree"    => s(:defn, :f, s(:args),
+                                s(:call, nil, :a),
+                                s(:rescue, s(:call, nil, :b),
+                                  s(:resbody,
+                                    s(:array),
+                                    s(:call, nil, :c)))),
             "Ruby2Ruby"    => "def f\n  a\n  b rescue c\nend")
-
   # oddly... this one doesn't HAVE any differences when verbose... new?
   copy_test_case "block_stmt_before", "Ruby"
   copy_test_case "block_stmt_before", "ParseTree"
-  copy_test_case "block_stmt_before", "RawParseTree"
   copy_test_case "block_stmt_before", "Ruby2Ruby"
 
   add_tests("block_stmt_both",
             "Ruby"         => "def f\n  a\n  begin\n    b\n  rescue\n    c\n  end\n  d\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:vcall, :a],
-                                 [:rescue,
-                                  [:vcall, :b],
-                                  [:resbody,
-                                   nil,
-                                   [:vcall, :c]]],
-                                 [:vcall, :d]]]],
             "ParseTree"    => s(:defn, :f, s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, nil, :a, s(:arglist)),
-                                    s(:rescue,
-                                      s(:call, nil, :b, s(:arglist)),
-                                      s(:resbody,
-                                        s(:array),
-                                        s(:call, nil, :c, s(:arglist)))),
-                                    s(:call, nil, :d, s(:arglist))))),
+                                s(:call, nil, :a),
+                                s(:rescue,
+                                  s(:call, nil, :b),
+                                  s(:resbody,
+                                    s(:array),
+                                    s(:call, nil, :c))),
+                                s(:call, nil, :d)),
             "Ruby2Ruby"    => "def f\n  a\n  b rescue c\n  d\nend")
-
-  add_tests("block_stmt_both_mri_verbose_flag",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:vcall, :a],
-                                 [:rescue,              # no begin
-                                  [:vcall, :b],
-                                  [:resbody,
-                                   nil,
-                                   [:vcall, :c]]],
-                                 [:vcall, :d]]]])
-
   copy_test_case "block_stmt_both", "Ruby"
   copy_test_case "block_stmt_both", "ParseTree"
   copy_test_case "block_stmt_both", "Ruby2Ruby"
 
   add_tests("bmethod",
             "Ruby"         => [Examples, :unsplatted],
-            "RawParseTree" => [:defn, :unsplatted,
-                               [:bmethod,
-                                [:dasgn_curr, :x],
-                                [:call, [:dvar, :x], :+, [:array, [:lit, 1]]]]],
-            "ParseTree"    => s(:defn, :unsplatted,
-                                s(:args, :x),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call,
-                                      s(:lvar, :x),
-                                      :+,
-                                      s(:arglist, s(:lit, 1)))))),
+            "ParseTree"    => s(:defn, :unsplatted, s(:args, :x),
+                                s(:call, s(:lvar, :x), :+, s(:lit, 1))),
             "Ruby2Ruby"    => "def unsplatted(x)\n  (x + 1)\nend")
 
   add_tests("bmethod_noargs",
             "Ruby"         => [Examples, :bmethod_noargs],
-            "RawParseTree" => [:defn, :bmethod_noargs,
-                               [:bmethod,
-                                nil,
-                                [:call,
-                                 [:vcall, :x], :"+", [:array, [:lit, 1]]]]],
-            "ParseTree"    => s(:defn, :bmethod_noargs,
-                                s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call,
-                                      s(:call, nil, :x, s(:arglist)),
-                                      :"+",
-                                      s(:arglist, s(:lit, 1)))))),
+            "ParseTree"    => s(:defn, :bmethod_noargs, s(:args),
+                                s(:call,
+                                  s(:call, nil, :x),
+                                  :"+",
+                                  s(:lit, 1))),
             "Ruby2Ruby"    => "def bmethod_noargs\n  (x + 1)\nend")
 
   add_tests("bmethod_splat",
             "Ruby"         => [Examples, :splatted],
-            "RawParseTree" => [:defn, :splatted,
-                               [:bmethod,
-                                [:masgn, nil, [:dasgn_curr, :args], nil],
-                                [:block,
-                                 [:dasgn_curr, :y,
-                                  [:call, [:dvar, :args], :first]],
-                                 [:call, [:dvar, :y], :+,
-                                  [:array, [:lit, 42]]]]]],
-            "ParseTree"    => s(:defn, :splatted,
-                                s(:args, :"*args"),
-                                s(:scope,
-                                  s(:block,
-                                    s(:lasgn, :y,
-                                      s(:call, s(:lvar, :args), :first,
-                                        s(:arglist))),
-                                    s(:call, s(:lvar, :y), :+,
-                                      s(:arglist, s(:lit, 42)))))),
+            "ParseTree"    => s(:defn, :splatted, s(:args, :"*args"),
+                                s(:lasgn, :y,
+                                  s(:call, s(:lvar, :args), :first)),
+                                s(:call, s(:lvar, :y), :+, s(:lit, 42))),
             "Ruby2Ruby"    => "def splatted(*args)\n  y = args.first\n  (y + 42)\nend")
 
   add_tests("break",
             "Ruby"         => "loop { break if true }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :loop], nil,
-                               [:if, [:true], [:break], nil]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :loop, s(:arglist)), nil,
+                                s(:call, nil, :loop),
+                                s(:args),
                                 s(:if, s(:true), s(:break), nil)))
 
   add_tests("break_arg",
             "Ruby"         => "loop { break 42 if true }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :loop], nil,
-                               [:if, [:true], [:break, [:lit, 42]], nil]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :loop, s(:arglist)), nil,
+                                s(:call, nil, :loop),
+                                s(:args),
                                 s(:if, s(:true), s(:break, s(:lit, 42)), nil)))
 
   add_tests("call",
             "Ruby"         => "self.method",
-            "RawParseTree" => [:call, [:self], :method],
-            "ParseTree"    => s(:call, s(:self), :method, s(:arglist)))
+            "ParseTree"    => s(:call, s(:self), :method))
 
   add_tests("call_arglist",
             "Ruby"         => "o.puts(42)",
-            "RawParseTree" => [:call, [:vcall, :o], :puts,
-                               [:array, [:lit, 42]]],
-            "ParseTree"    => s(:call, s(:call, nil, :o, s(:arglist)), :puts,
-                                s(:arglist, s(:lit, 42))))
+            "ParseTree"    => s(:call, s(:call, nil, :o), :puts, s(:lit, 42)))
 
   add_tests("call_arglist_hash",
             "Ruby"         => "o.m(:a => 1, :b => 2)",
-            "RawParseTree" => [:call,
-                               [:vcall, :o], :m,
-                               [:array,
-                                [:hash,
-                                 [:lit, :a], [:lit, 1],
-                                 [:lit, :b], [:lit, 2]]]],
             "ParseTree"    => s(:call,
-                                s(:call, nil, :o, s(:arglist)), :m,
-                                s(:arglist,
-                                  s(:hash,
-                                    s(:lit, :a), s(:lit, 1),
-                                    s(:lit, :b), s(:lit, 2)))))
+                                s(:call, nil, :o), :m,
+                                s(:hash,
+                                  s(:lit, :a), s(:lit, 1),
+                                  s(:lit, :b), s(:lit, 2))))
 
   add_tests("call_arglist_norm_hash",
             "Ruby"         => "o.m(42, :a => 1, :b => 2)",
-            "RawParseTree" => [:call,
-                               [:vcall, :o], :m,
-                               [:array,
-                                [:lit, 42],
-                                [:hash,
-                                 [:lit, :a], [:lit, 1],
-                                 [:lit, :b], [:lit, 2]]]],
             "ParseTree"    => s(:call,
-                                s(:call, nil, :o, s(:arglist)), :m,
-                                s(:arglist,
-                                  s(:lit, 42),
-                                  s(:hash,
-                                    s(:lit, :a), s(:lit, 1),
-                                    s(:lit, :b), s(:lit, 2)))))
-
-  add_tests("call_arglist_norm_hash_splat",
-            "Ruby"         => "o.m(42, :a => 1, :b => 2, *c)",
-            "RawParseTree" => [:call,
-                               [:vcall, :o], :m,
-                               [:argscat,
-                                [:array,
-                                 [:lit, 42],
-                                 [:hash,
-                                  [:lit, :a], [:lit, 1],
-                                  [:lit, :b], [:lit, 2]]],
-                                [:vcall, :c]]],
-            "ParseTree"    => s(:call,
-                                s(:call, nil, :o, s(:arglist)), :m,
-                                s(:arglist,
-                                  s(:lit, 42),
-                                  s(:hash,
-                                    s(:lit, :a), s(:lit, 1),
-                                    s(:lit, :b), s(:lit, 2)),
-                                  s(:splat, s(:call, nil, :c, s(:arglist))))))
-
-  add_tests("call_arglist_space",
-            "Ruby"         => "a (1,2,3)",
-            "RawParseTree" => [:fcall, :a,
-                               [:array, [:lit, 1], [:lit, 2], [:lit, 3]]],
-            "ParseTree"    => s(:call, nil, :a,
-                                s(:arglist,
-                                  s(:lit, 1), s(:lit, 2), s(:lit, 3))),
-            "Ruby2Ruby"    => "a(1, 2, 3)")
+                                s(:call, nil, :o), :m,
+                                s(:lit, 42),
+                                s(:hash,
+                                  s(:lit, :a), s(:lit, 1),
+                                  s(:lit, :b), s(:lit, 2))))
 
   add_tests("call_command",
             "Ruby"         => "1.b(c)",
-            "RawParseTree" => [:call, [:lit, 1], :b, [:array, [:vcall, :c]]],
             "ParseTree"    => s(:call,
                                 s(:lit, 1),
                                 :b,
-                                s(:arglist, s(:call, nil, :c, s(:arglist)))))
+                                s(:call, nil, :c)))
 
   add_tests("call_expr",
             "Ruby"         => "(v = (1 + 1)).zero?",
-            "RawParseTree" => [:call,
-                               [:lasgn, :v,
-                                [:call, [:lit, 1], :+, [:array, [:lit, 1]]]],
-                               :zero?],
             "ParseTree"    => s(:call,
                                 s(:lasgn, :v,
-                                  s(:call, s(:lit, 1), :+,
-                                    s(:arglist, s(:lit, 1)))),
-                                :zero?, s(:arglist)))
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1))),
+                                :zero?))
 
   add_tests("call_index",
             "Ruby"         => "a = []\na[42]\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :a, [:zarray]],
-                               [:call, [:lvar, :a], :[], [:array, [:lit, 42]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :a, s(:array)),
-                                s(:call, s(:lvar, :a), :[],
-                                  s(:arglist, s(:lit, 42)))))
+                                s(:call, s(:lvar, :a), :[], s(:lit, 42))))
 
   add_tests("call_index_no_args",
             "Ruby"         => "a[]",
-            "RawParseTree" => [:call, [:vcall, :a], :[]],
-            "ParseTree"    => s(:call, s(:call, nil, :a, s(:arglist)),
-                                :[], s(:arglist)))
+            "ParseTree"    => s(:call, s(:call, nil, :a),
+                                :[]))
 
   add_tests("call_index_space",
             "Ruby"         => "a = []\na [42]\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :a, [:zarray]],
-                               [:call, [:lvar, :a], :[], [:array, [:lit, 42]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :a, s(:array)),
-                                s(:call, s(:lvar, :a), :[],
-                                  s(:arglist, s(:lit, 42)))),
+                                s(:call, s(:lvar, :a), :[], s(:lit, 42))),
             "Ruby2Ruby"    => "a = []\na[42]\n")
 
+  add_tests("call_no_space_symbol",
+            "Ruby"         => "foo:bar",
+            "ParseTree"    => s(:call, nil, :foo, s(:lit, :bar)),
+            "Ruby2Ruby"    => "foo(:bar)")
+
   add_tests("call_unary_neg",
             "Ruby"         => "-2**31",
-            "RawParseTree" => [:call,
-                               [:call, [:lit, 2], :**, [:array, [:lit, 31]]],
-                               :-@],
             "ParseTree"    => s(:call,
-                                s(:call,
-                                  s(:lit, 2),
-                                  :**,
-                                  s(:arglist, s(:lit, 31))),
-                                :-@, s(:arglist)),
+                                s(:call, s(:lit, 2), :**, s(:lit, 31)),
+                                :-@),
             "Ruby2Ruby"    => "-(2 ** 31)")
 
   add_tests("case",
             "Ruby"         => "var = 2\nresult = \"\"\ncase var\nwhen 1 then\n  puts(\"something\")\n  result = \"red\"\nwhen 2, 3 then\n  result = \"yellow\"\nwhen 4 then\n  # do nothing\nelse\n  result = \"green\"\nend\ncase result\nwhen \"red\" then\n  var = 1\nwhen \"yellow\" then\n  var = 2\nwhen \"green\" then\n  var = 3\nelse\n  # do nothing\nend\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :var, [:lit, 2]],
-                               [:lasgn, :result, [:str, ""]],
-                               [:case,
-                                [:lvar, :var],
-                                [:when,
-                                 [:array, [:lit, 1]],
-                                 [:block,
-                                  [:fcall, :puts,
-                                   [:array, [:str, "something"]]],
-                                  [:lasgn, :result, [:str, "red"]]]],
-                                [:when,
-                                 [:array, [:lit, 2], [:lit, 3]],
-                                 [:lasgn, :result, [:str, "yellow"]]],
-                                [:when, [:array, [:lit, 4]], nil],
-                                [:lasgn, :result, [:str, "green"]]],
-                               [:case,
-                                [:lvar, :result],
-                                [:when, [:array, [:str, "red"]],
-                                 [:lasgn, :var, [:lit, 1]]],
-                                [:when, [:array, [:str, "yellow"]],
-                                 [:lasgn, :var, [:lit, 2]]],
-                                [:when, [:array, [:str, "green"]],
-                                 [:lasgn, :var, [:lit, 3]]],
-                                nil]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :var, s(:lit, 2)),
                                 s(:lasgn, :result, s(:str, "")),
@@ -991,10 +1058,8 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
                                   s(:lvar, :var),
                                   s(:when,
                                     s(:array, s(:lit, 1)),
-                                    s(:block,
-                                      s(:call, nil, :puts,
-                                        s(:arglist, s(:str, "something"))),
-                                      s(:lasgn, :result, s(:str, "red")))),
+                                    s(:call, nil, :puts, s(:str, "something")),
+                                    s(:lasgn, :result, s(:str, "red"))),
                                   s(:when,
                                     s(:array, s(:lit, 2), s(:lit, 3)),
                                     s(:lasgn, :result, s(:str, "yellow"))),
@@ -1012,29 +1077,6 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("case_nested",
             "Ruby"         => "var1 = 1\nvar2 = 2\nresult = nil\ncase var1\nwhen 1 then\n  case var2\n  when 1 then\n    result = 1\n  when 2 then\n    result = 2\n  else\n    result = 3\n  end\nwhen 2 then\n  case var2\n  when 1 then\n    result = 4\n  when 2 then\n    result = 5\n  else\n    result = 6\n  end\nelse\n  result = 7\nend\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :var1, [:lit, 1]],
-                               [:lasgn, :var2, [:lit, 2]],
-                               [:lasgn, :result, [:nil]],
-                               [:case,
-                                [:lvar, :var1],
-                                [:when, [:array, [:lit, 1]],
-                                 [:case,
-                                  [:lvar, :var2],
-                                  [:when, [:array, [:lit, 1]],
-                                   [:lasgn, :result, [:lit, 1]]],
-                                  [:when, [:array, [:lit, 2]],
-                                   [:lasgn, :result, [:lit, 2]]],
-                                  [:lasgn, :result, [:lit, 3]]]],
-                                [:when, [:array, [:lit, 2]],
-                                 [:case,
-                                  [:lvar, :var2],
-                                  [:when, [:array, [:lit, 1]],
-                                   [:lasgn, :result, [:lit, 4]]],
-                                  [:when, [:array, [:lit, 2]],
-                                   [:lasgn, :result, [:lit, 5]]],
-                                  [:lasgn, :result, [:lit, 6]]]],
-                                [:lasgn, :result, [:lit, 7]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :var1, s(:lit, 1)),
                                 s(:lasgn, :var2, s(:lit, 2)),
@@ -1061,337 +1103,176 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("case_nested_inner_no_expr",
             "Ruby"         => "case a\nwhen b then\n  case\n  when (d and e) then\n    f\n  else\n    # do nothing\n  end\nelse\n  # do nothing\nend",
-            "RawParseTree" => [:case, [:vcall, :a],
-                               [:when, [:array, [:vcall, :b]],
-                                [:case, nil,
-                                 [:when,
-                                  [:array, [:and, [:vcall, :d], [:vcall, :e]]],
-                                  [:vcall, :f]],
-                                 nil]],
-                               nil],
-            "ParseTree"    => s(:case, s(:call, nil, :a, s(:arglist)),
+            "ParseTree"    => s(:case, s(:call, nil, :a),
                                 s(:when,
-                                  s(:array, s(:call, nil, :b, s(:arglist))),
+                                  s(:array, s(:call, nil, :b)),
                                   s(:case, nil,
                                     s(:when,
                                       s(:array,
                                         s(:and,
-                                          s(:call, nil, :d, s(:arglist)),
-                                          s(:call, nil, :e, s(:arglist)))),
-                                      s(:call, nil, :f, s(:arglist))),
+                                          s(:call, nil, :d),
+                                          s(:call, nil, :e))),
+                                      s(:call, nil, :f)),
                                     nil)),
                                 nil))
 
   add_tests("case_no_expr",
             "Ruby"         => "case\nwhen (a == 1) then\n  :a\nwhen (a == 2) then\n  :b\nelse\n  :c\nend",
-            "RawParseTree" => [:case, nil,
-                               [:when,
-                                [:array,
-                                 [:call, [:vcall, :a], :==,
-                                  [:array, [:lit, 1]]]],
-                                [:lit, :a]],
-                               [:when,
-                                [:array,
-                                 [:call, [:vcall, :a], :==,
-                                  [:array, [:lit, 2]]]],
-                                [:lit, :b]],
-                               [:lit, :c]],
             "ParseTree"    => s(:case, nil,
                                 s(:when,
                                   s(:array,
                                     s(:call,
-                                      s(:call, nil, :a, s(:arglist)),
+                                      s(:call, nil, :a),
                                       :==,
-                                      s(:arglist, s(:lit, 1)))),
+                                      s(:lit, 1))),
                                   s(:lit, :a)),
                                 s(:when,
                                   s(:array,
                                     s(:call,
-                                      s(:call, nil, :a, s(:arglist)),
+                                      s(:call, nil, :a),
                                       :==,
-                                      s(:arglist, s(:lit, 2)))),
+                                      s(:lit, 2))),
                                   s(:lit, :b)),
                                 s(:lit, :c)))
 
   add_tests("case_splat",
             "Ruby"         => "case a\nwhen :b, *c then\n  d\nelse\n  e\nend",
-            "RawParseTree" => [:case, [:vcall, :a],
-                               [:when,
-                                [:array,
-                                 [:lit, :b], [:when, [:vcall, :c], nil]], # wtf?
-                                [:vcall, :d]],
-                               [:vcall, :e]],
-            "ParseTree"    => s(:case, s(:call, nil, :a, s(:arglist)),
+            "ParseTree"    => s(:case, s(:call, nil, :a),
                                 s(:when,
                                   s(:array,
                                     s(:lit, :b),
-                                    s(:when,
-                                      s(:call, nil, :c, s(:arglist)),
-                                      nil)), # wtf?
-                                  s(:call, nil, :d, s(:arglist))),
-                                s(:call, nil, :e, s(:arglist))))
+                                    s(:splat, s(:call, nil, :c))),
+                                  s(:call, nil, :d)),
+                                s(:call, nil, :e)))
 
   add_tests("cdecl",
             "Ruby"         => "X = 42",
-            "RawParseTree" => [:cdecl, :X, [:lit, 42]],
             "ParseTree"    => s(:cdecl, :X, s(:lit, 42)))
 
   add_tests("class_plain",
-            "Ruby"         => "class X\n  puts((1 + 1))\n  def blah\n    puts(\"hello\")\n  end\nend",
-            "RawParseTree" => [:class,
-                               :X,
-                               nil,
-                               [:scope,
-                                [:block,
-                                 [:fcall, :puts,
-                                  [:array,
-                                   [:call, [:lit, 1], :+,
-                                    [:array, [:lit, 1]]]]],
-                                 [:defn, :blah,
-                                  [:scope,
-                                   [:block,
-                                    [:args],
-                                    [:fcall, :puts,
-                                     [:array, [:str, "hello"]]]]]]]]],
-            "ParseTree"    => s(:class,
-                                :X,
-                                nil,
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, nil, :puts,
-                                      s(:arglist,
-                                        s(:call, s(:lit, 1), :+,
-                                          s(:arglist, s(:lit, 1))))),
-                                    s(:defn, :blah,
-                                      s(:args),
-                                      s(:scope,
-                                        s(:block,
-                                          s(:call, nil, :puts,
-                                            s(:arglist,
-                                              s(:str, "hello"))))))))))
+            "Ruby"         => "class X\n  puts((1 + 1))\n  \n  def blah\n    puts(\"hello\")\n  end\nend",
+            "ParseTree"    => s(:class, :X, nil,
+                                s(:call, nil, :puts,
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1))),
+                                s(:defn, :blah, s(:args),
+                                  s(:call, nil, :puts, s(:str, "hello")))))
 
   add_tests("class_scoped",
             "Ruby"         => "class X::Y\n  c\nend",
-            "RawParseTree" => [:class, [:colon2, [:const, :X], :Y], nil,
-                               [:scope, [:vcall, :c]]],
             "ParseTree"    => s(:class, s(:colon2, s(:const, :X), :Y), nil,
-                                s(:scope, s(:call, nil, :c, s(:arglist)))))
+                                s(:call, nil, :c)))
 
   add_tests("class_scoped3",
             "Ruby"         => "class ::Y\n  c\nend",
-            "RawParseTree" => [:class, [:colon3, :Y], nil,
-                               [:scope, [:vcall, :c]]],
             "ParseTree"    => s(:class, s(:colon3, :Y), nil,
-                                s(:scope, s(:call, nil, :c, s(:arglist)))))
+                                s(:call, nil, :c)))
 
   add_tests("class_super_array",
             "Ruby"         => "class X < Array\nend",
-            "RawParseTree" => [:class,
-                               :X,
-                               [:const, :Array],
-                               [:scope]],
-            "ParseTree"    => s(:class,
-                                :X,
-                                s(:const, :Array),
-                                s(:scope)))
+            "ParseTree"    => s(:class, :X, s(:const, :Array)))
 
   add_tests("class_super_expr",
             "Ruby"         => "class X < expr\nend",
-            "RawParseTree" => [:class,
-                               :X,
-                               [:vcall, :expr],
-                               [:scope]],
-            "ParseTree"    => s(:class,
-                                :X,
-                                s(:call, nil, :expr, s(:arglist)),
-                                s(:scope)))
+            "ParseTree"    => s(:class, :X, s(:call, nil, :expr)))
 
   add_tests("class_super_object",
             "Ruby"         => "class X < Object\nend",
-            "RawParseTree" => [:class,
-                               :X,
-                               [:const, :Object],
-                               [:scope]],
-            "ParseTree"    => s(:class,
-                                :X,
-                                s(:const, :Object),
-                                s(:scope)))
+            "ParseTree"    => s(:class, :X, s(:const, :Object)))
 
   add_tests("colon2",
             "Ruby"         => "X::Y",
-            "RawParseTree" => [:colon2, [:const, :X], :Y],
             "ParseTree"    => s(:colon2, s(:const, :X), :Y))
 
   add_tests("colon3",
             "Ruby"         => "::X",
-            "RawParseTree" => [:colon3, :X],
             "ParseTree"    => s(:colon3, :X))
 
   add_tests("const",
             "Ruby"         => "X",
-            "RawParseTree" => [:const, :X],
             "ParseTree"    => s(:const, :X))
 
   add_tests("constX",
             "Ruby"         => "X = 1",
-            "RawParseTree" => [:cdecl, :X, [:lit, 1]],
             "ParseTree"    => s(:cdecl, :X, s(:lit, 1)))
 
   add_tests("constY",
             "Ruby"         => "::X = 1",
-            "RawParseTree" => [:cdecl, [:colon3, :X], [:lit, 1]],
             "ParseTree"    => s(:cdecl, s(:colon3, :X), s(:lit, 1)))
 
   add_tests("constZ",
             "Ruby"         => "X::Y = 1",
-            "RawParseTree" => [:cdecl, [:colon2, [:const, :X], :Y], [:lit, 1]],
             "ParseTree"    => s(:cdecl,
                                 s(:colon2, s(:const, :X), :Y),
                                 s(:lit, 1)))
 
   add_tests("cvar",
             "Ruby"         => "@@x",
-            "RawParseTree" => [:cvar, :@@x],
             "ParseTree"    => s(:cvar, :@@x))
 
   add_tests("cvasgn",
             "Ruby"         => "def x\n  @@blah = 1\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block, [:args],
-                                 [:cvasgn, :@@blah, [:lit, 1]]]]],
-            "ParseTree"    => s(:defn, :x,
-                                s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:cvasgn, :@@blah, s(:lit, 1))))))
+            "ParseTree"    => s(:defn, :x, s(:args),
+                                s(:cvasgn, :@@blah, s(:lit, 1))))
 
   add_tests("cvasgn_cls_method",
             "Ruby"         => "def self.quiet_mode=(boolean)\n  @@quiet_mode = boolean\nend",
-            "RawParseTree" => [:defs, [:self], :quiet_mode=,
-                               [:scope,
-                                [:block,
-                                 [:args, :boolean],
-                                 [:cvasgn, :@@quiet_mode, [:lvar, :boolean]]]]],
             "ParseTree"    => s(:defs, s(:self), :quiet_mode=,
                                 s(:args, :boolean),
-                                s(:scope,
-                                  s(:block,
-                                    s(:cvasgn, :@@quiet_mode,
-                                      s(:lvar, :boolean))))))
+                                s(:cvasgn, :@@quiet_mode,
+                                  s(:lvar, :boolean))))
 
   add_tests("cvdecl",
             "Ruby"         => "class X\n  @@blah = 1\nend",
-            "RawParseTree" => [:class, :X, nil,
-                               [:scope, [:cvdecl, :@@blah, [:lit, 1]]]],
             "ParseTree"    => s(:class, :X, nil,
-                                s(:scope, s(:cvdecl, :@@blah, s(:lit, 1)))))
+                                s(:cvdecl, :@@blah, s(:lit, 1))))
 
   add_tests("dasgn_0",
             "Ruby"         => "a.each { |x| b.each { |y| x = (x + 1) } if true }",
-            "RawParseTree" => [:iter,
-                               [:call, [:vcall, :a], :each],
-                               [:dasgn_curr, :x],
-                               [:if, [:true],
-                                [:iter,
-                                 [:call, [:vcall, :b], :each],
-                                 [:dasgn_curr, :y],
-                                 [:dasgn, :x,
-                                  [:call, [:dvar, :x], :+,
-                                   [:array, [:lit, 1]]]]],
-                                nil]],
             "ParseTree"    => s(:iter,
-                                s(:call, s(:call, nil, :a, s(:arglist)), :each,
-                                  s(:arglist)),
-                                s(:lasgn, :x),
+                                s(:call, s(:call, nil, :a), :each),
+                                s(:args, :x),
                                 s(:if, s(:true),
                                   s(:iter,
-                                    s(:call, s(:call, nil, :b, s(:arglist)),
-                                      :each,
-                                      s(:arglist)),
-                                    s(:lasgn, :y),
+                                    s(:call, s(:call, nil, :b), :each),
+                                    s(:args, :y),
                                     s(:lasgn, :x,
-                                      s(:call, s(:lvar, :x), :+,
-                                        s(:arglist, s(:lit, 1))))),
+                                      s(:call, s(:lvar, :x), :+, s(:lit, 1)))),
                                   nil)))
 
   add_tests("dasgn_1",
             "Ruby"         => "a.each { |x| b.each { |y| c = (c + 1) } if true }",
-            "RawParseTree" => [:iter,
-                               [:call, [:vcall, :a], :each],
-                               [:dasgn_curr, :x],
-                               [:if, [:true],
-                                [:iter,
-                                 [:call, [:vcall, :b], :each],
-                                 [:dasgn_curr, :y],
-                                 [:dasgn_curr, :c,
-                                  [:call, [:dvar, :c], :+,
-                                   [:array, [:lit, 1]]]]],
-                                nil]],
             "ParseTree"    => s(:iter,
-                                s(:call, s(:call, nil, :a, s(:arglist)), :each,
-                                  s(:arglist)),
-                                s(:lasgn, :x),
+                                s(:call, s(:call, nil, :a), :each),
+                                s(:args, :x),
                                 s(:if, s(:true),
                                   s(:iter,
-                                    s(:call, s(:call, nil, :b, s(:arglist)),
-                                      :each,
-                                      s(:arglist)),
-                                    s(:lasgn, :y),
+                                    s(:call, s(:call, nil, :b), :each),
+                                    s(:args, :y),
                                     s(:lasgn, :c,
-                                      s(:call, s(:lvar, :c), :+,
-                                        s(:arglist, s(:lit, 1))))),
+                                      s(:call, s(:lvar, :c), :+, s(:lit, 1)))),
                                   nil)))
 
   add_tests("dasgn_2",
-            "Ruby"         => "a.each do |x|\n  if true then\n    c = 0\n    b.each { |y| c = (c + 1) }\n  end\nend", # FIX: hate that extra newline!
-            "RawParseTree" => [:iter,
-                               [:call, [:vcall, :a], :each],
-                               [:dasgn_curr, :x],
-                               [:if, [:true],
-                                [:block,
-                                 [:dasgn_curr, :c, [:lit, 0]],
-                                 [:iter,
-                                  [:call, [:vcall, :b], :each],
-                                  [:dasgn_curr, :y],
-                                  [:dasgn, :c,
-                                   [:call, [:dvar, :c], :+,
-                                    [:array, [:lit, 1]]]]]],
-                                nil]],
+            "Ruby"         => "a.each do |x|\n  if true then\n    c = 0\n    b.each { |y| c = (c + 1) }\n  end\nend",
             "ParseTree"    => s(:iter,
-                                s(:call, s(:call, nil, :a, s(:arglist)), :each,
-                                  s(:arglist)),
-                                s(:lasgn, :x),
+                                s(:call, s(:call, nil, :a), :each),
+                                s(:args, :x),
                                 s(:if, s(:true),
                                   s(:block,
                                     s(:lasgn, :c, s(:lit, 0)),
                                     s(:iter,
-                                      s(:call, s(:call, nil, :b, s(:arglist)),
-                                        :each,
-                                        s(:arglist)),
-                                      s(:lasgn, :y),
+                                      s(:call, s(:call, nil, :b), :each),
+                                      s(:args, :y),
                                       s(:lasgn, :c,
                                         s(:call, s(:lvar, :c), :+,
-                                          s(:arglist, s(:lit, 1)))))),
+                                          s(:lit, 1))))),
                                   nil)))
 
   add_tests("dasgn_curr",
             "Ruby"         => "data.each do |x, y|\n  a = 1\n  b = a\n  b = a = x\nend",
-            "RawParseTree" => [:iter,
-                               [:call, [:vcall, :data], :each],
-                               [:masgn,
-                                [:array, [:dasgn_curr, :x], [:dasgn_curr, :y]],
-                                nil, nil],
-                               [:block,
-                                [:dasgn_curr, :a, [:lit, 1]],
-                                [:dasgn_curr, :b, [:dvar, :a]],
-                                [:dasgn_curr, :b,
-                                 [:dasgn_curr, :a, [:dvar, :x]]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, s(:call, nil, :data,
-                                           s(:arglist)), :each, s(:arglist)),
-                                s(:masgn,
-                                  s(:array, s(:lasgn, :x), s(:lasgn, :y))),
+                                s(:call, s(:call, nil, :data), :each),
+                                s(:args, :x, :y),
                                 s(:block,
                                   s(:lasgn, :a, s(:lit, 1)),
                                   s(:lasgn, :b, s(:lvar, :a)),
@@ -1399,33 +1280,15 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("dasgn_icky",
             "Ruby"         => "a do\n  v = nil\n  assert_block(full_message) do\n    begin\n      yield\n    rescue Exception => v\n      break\n    end\n  end\nend",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a],
-                               nil,
-                               [:block,
-                                [:dasgn_curr, :v, [:nil]],
-                                [:iter,
-                                 [:fcall, :assert_block,
-                                  [:array, [:vcall, :full_message]]],
-                                 nil,
-                                 [:rescue,
-                                  [:yield],
-                                  [:resbody,
-                                   [:array, [:const, :Exception]],
-                                   [:block,
-                                    [:dasgn, :v,
-                                     [:gvar, :$!]], [:break]]]]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a, s(:arglist)),
-                                nil,
+                                s(:call, nil, :a),
+                                s(:args),
                                 s(:block,
                                   s(:lasgn, :v, s(:nil)),
                                   s(:iter,
                                     s(:call, nil, :assert_block,
-                                      s(:arglist,
-                                        s(:call, nil, :full_message,
-                                          s(:arglist)))),
-                                    nil,
+                                      s(:call, nil, :full_message)),
+                                    s(:args),
                                     s(:rescue,
                                       s(:yield),
                                       s(:resbody,
@@ -1436,523 +1299,253 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("dasgn_mixed",
             "Ruby"         => "t = 0\nns.each { |n| t += n }\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :t, [:lit, 0]],
-                               [:iter,
-                                [:call, [:vcall, :ns], :each],
-                                [:dasgn_curr, :n],
-                                [:lasgn, :t,
-                                 [:call, [:lvar, :t], :+,
-                                  [:array, [:dvar, :n]]]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :t, s(:lit, 0)),
                                 s(:iter,
-                                  s(:call, s(:call, nil, :ns,
-                                             s(:arglist)), :each, s(:arglist)),
-                                  s(:lasgn, :n),
+                                  s(:call, s(:call, nil, :ns), :each),
+                                  s(:args, :n),
                                   s(:lasgn, :t,
-                                    s(:call, s(:lvar, :t), :+,
-                                      s(:arglist, s(:lvar, :n)))))),
+                                    s(:call, s(:lvar, :t), :+, s(:lvar, :n))))),
             "Ruby2Ruby"    => "t = 0\nns.each { |n| t = (t + n) }\n")
 
   add_tests("defined",
             "Ruby"         => "defined? $x",
-            "RawParseTree" => [:defined, [:gvar, :$x]],
             "ParseTree"    => s(:defined, s(:gvar, :$x)))
 
-  # TODO: make all the defn_args* p their arglist
-  add_tests("defn_args_block",
+  add_tests("defn_args_block", # TODO: make all the defn_args* p their arglist
             "Ruby"         => "def f(&block)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:block_arg, :block],
-                                 [:nil]]]],
-            "ParseTree"    => s(:defn, :f,
-                                s(:args, :"&block"),
-                                s(:scope, s(:block, s(:nil)))))
+            "ParseTree"    => s(:defn, :f, s(:args, :"&block"),
+                                s(:nil)))
 
   add_tests("defn_args_mand",
             "Ruby"         => "def f(mand)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                               [:args, :mand],
-                                 [:nil]]]],
-            "ParseTree"    => s(:defn, :f,
-                                s(:args, :mand),
-                                s(:scope, s(:block, s(:nil)))))
+            "ParseTree"    => s(:defn, :f, s(:args, :mand),
+                                s(:nil)))
 
   add_tests("defn_args_mand_block",
             "Ruby"         => "def f(mand, &block)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args, :mand],
-                                 [:block_arg, :block],
-                                 [:nil]]]],
-            "ParseTree"    => s(:defn, :f,
-                                s(:args, :mand, :"&block"),
-                                s(:scope, s(:block, s(:nil)))))
+            "ParseTree"    => s(:defn, :f, s(:args, :mand, :"&block"),
+                                 s(:nil)))
 
   add_tests("defn_args_mand_opt",
             "Ruby"         => "def f(mand, opt = 42)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                               [:args, :mand, :opt,
-                                [:block,
-                                 [:lasgn, :opt, [:lit, 42]]]],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
-                                s(:args, :mand, :opt,
-                                  s(:block,
-                                    s(:lasgn, :opt, s(:lit, 42)))),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:args, :mand, s(:lasgn, :opt, s(:lit, 42))),
+                                s(:nil)))
 
   add_tests("defn_args_mand_opt_block",
             "Ruby"         => "def f(mand, opt = 42, &block)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args, :mand, :opt,
-                                  [:block,
-                                   [:lasgn, :opt, [:lit, 42]]]],
-                                 [:block_arg, :block],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
-                                s(:args, :mand, :opt, :"&block",
-                                  s(:block,
-                                    s(:lasgn, :opt, s(:lit, 42)))),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:args, :mand, s(:lasgn, :opt, s(:lit, 42)), :"&block"),
+                                s(:nil)))
 
   add_tests("defn_args_mand_opt_splat",
             "Ruby"         => "def f(mand, opt = 42, *rest)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                               [:args, :mand, :opt, :"*rest",
-                                [:block,
-                                 [:lasgn, :opt, [:lit, 42]]]],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
-                                s(:args, :mand, :opt, :"*rest",
-                                  s(:block,
-                                    s(:lasgn, :opt, s(:lit, 42)))),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:args, :mand, s(:lasgn, :opt, s(:lit, 42)), :"*rest"),
+                                s(:nil)))
 
   add_tests("defn_args_mand_opt_splat_block",
             "Ruby"         => "def f(mand, opt = 42, *rest, &block)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args, :mand, :opt, :"*rest",
-                                  [:block,
-                                   [:lasgn, :opt, [:lit, 42]]]],
-                                 [:block_arg, :block],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
-                                s(:args, :mand, :opt, :"*rest", :"&block",
-                                  s(:block,
-                                    s(:lasgn, :opt, s(:lit, 42)))),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:args, :mand, s(:lasgn, :opt, s(:lit, 42)), :"*rest", :"&block"),
+                                s(:nil)))
 
   add_tests("defn_args_mand_opt_splat_no_name",
             "Ruby"         => "def x(a, b = 42, *)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args, :a, :b, :"*",
-                                  [:block, [:lasgn, :b, [:lit, 42]]]],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :x,
-                                s(:args, :a, :b, :"*",
-                                  s(:block, s(:lasgn, :b, s(:lit, 42)))),
-                                s(:scope,
-                                  s(:block,
-                                    s(:nil)))))
+                                s(:args, :a, s(:lasgn, :b, s(:lit, 42)), :"*"),
+                                s(:nil)))
 
   add_tests("defn_args_mand_splat",
             "Ruby"         => "def f(mand, *rest)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                               [:args, :mand, :"*rest"],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
                                 s(:args, :mand, :"*rest"),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:nil)))
 
   add_tests("defn_args_mand_splat_block",
             "Ruby"         => "def f(mand, *rest, &block)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args, :mand, :"*rest"],
-                                 [:block_arg, :block],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
                                 s(:args, :mand, :"*rest", :"&block"),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:nil)))
 
   add_tests("defn_args_mand_splat_no_name",
             "Ruby"         => "def x(a, *args)\n  p(a, args)\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args, :a, :"*args"],
-                                 [:fcall, :p,
-                                  [:array, [:lvar, :a], [:lvar, :args]]]]]],
-            "ParseTree"    => s(:defn, :x,
-                                s(:args, :a, :"*args"),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, nil, :p,
-                                      s(:arglist, s(:lvar, :a), s(:lvar, :args)))))))
+            "ParseTree"    => s(:defn, :x, s(:args, :a, :"*args"),
+                                s(:call, nil, :p,
+                                  s(:lvar, :a), s(:lvar, :args))))
 
   add_tests("defn_args_none",
             "Ruby"         => "def empty\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :empty,
-                               [:scope, [:block, [:args], [:nil]]]],
-            "ParseTree"    => s(:defn, :empty,
-                                s(:args),
-                                s(:scope, s(:block, s(:nil)))))
+            "ParseTree"    => s(:defn, :empty, s(:args),
+                                s(:nil)))
 
   add_tests("defn_args_opt",
             "Ruby"         => "def f(opt = 42)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                               [:args, :opt,
-                                [:block,
-                                 [:lasgn, :opt, [:lit, 42]]]],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
-                                s(:args, :opt,
-                                  s(:block,
-                                    s(:lasgn, :opt, s(:lit, 42)))),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:args, s(:lasgn, :opt, s(:lit, 42))),
+                                s(:nil)))
 
   add_tests("defn_args_opt_block",
             "Ruby"         => "def f(opt = 42, &block)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args, :opt,
-                                  [:block,
-                                   [:lasgn, :opt, [:lit, 42]]]],
-                                 [:block_arg, :block],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
-                                s(:args, :opt, :"&block",
-                                  s(:block,
-                                    s(:lasgn, :opt, s(:lit, 42)))),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:args, s(:lasgn, :opt, s(:lit, 42)), :"&block"),
+                                s(:nil)))
 
   add_tests("defn_args_opt_splat",
             "Ruby"         => "def f(opt = 42, *rest)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args, :opt, :"*rest",
-                                  [:block,
-                                   [:lasgn, :opt, [:lit, 42]]]],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
-                                s(:args, :opt, :"*rest",
-                                  s(:block,
-                                    s(:lasgn, :opt, s(:lit, 42)))),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:args, s(:lasgn, :opt, s(:lit, 42)), :"*rest"),
+                                s(:nil)))
 
   add_tests("defn_args_opt_splat_block",
             "Ruby"         => "def f(opt = 42, *rest, &block)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args, :opt, :"*rest",
-                                  [:block,
-                                   [:lasgn, :opt, [:lit, 42]]]],
-                                 [:block_arg, :block],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :f,
-                                s(:args, :opt, :"*rest", :"&block",
-                                  s(:block,
-                                    s(:lasgn, :opt, s(:lit, 42)))),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:args,
+                                  s(:lasgn, :opt, s(:lit, 42)),
+                                  :"*rest", :"&block"),
+                                s(:nil)))
 
   add_tests("defn_args_opt_splat_no_name",
             "Ruby"         => "def x(b = 42, *)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args, :b, :"*",
-                                  [:block, [:lasgn, :b, [:lit, 42]]]],
-                                 [:nil]]]],
             "ParseTree"    => s(:defn, :x,
-                                s(:args, :b, :"*",
-                                  s(:block, s(:lasgn, :b, s(:lit, 42)))),
-                                s(:scope,
-                                  s(:block,
-                                    s(:nil)))))
+                                s(:args, s(:lasgn, :b, s(:lit, 42)), :"*"),
+                                s(:nil)))
 
   add_tests("defn_args_splat",
             "Ruby"         => "def f(*rest)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :f,
-                               [:scope,
-                                [:block,
-                                 [:args, :"*rest"],
-                                 [:nil]]]],
-            "ParseTree"    => s(:defn, :f,
-                                s(:args, :"*rest"),
-                                s(:scope, s(:block, s(:nil)))))
+            "ParseTree"    => s(:defn, :f, s(:args, :"*rest"),
+                                s(:nil)))
 
   add_tests("defn_args_splat_no_name",
             "Ruby"         => "def x(*)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args, :"*"],
-                                 [:nil]]]],
-            "ParseTree"    => s(:defn, :x,
-                                s(:args, :"*"),
-                                s(:scope,
-                                  s(:block,
-                                    s(:nil)))))
+            "ParseTree"    => s(:defn, :x, s(:args, :"*"),
+                                s(:nil)))
 
   add_tests("defn_or",
             "Ruby"         => "def |(o)\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :|,
-                               [:scope, [:block, [:args, :o], [:nil]]]],
-            "ParseTree"    => s(:defn, :|,
-                                s(:args, :o),
-                                s(:scope, s(:block, s(:nil)))))
+            "ParseTree"    => s(:defn, :|, s(:args, :o),
+                                s(:nil)))
 
   add_tests("defn_rescue",
             "Ruby"         => "def eql?(resource)\n  (self.uuid == resource.uuid)\nrescue\n  false\nend",
-            "RawParseTree" => [:defn, :eql?,
-                               [:scope,
-                                [:block,
-                                 [:args, :resource],
-                                 [:rescue,
-                                  [:call,
-                                   [:call, [:self], :uuid],
-                                   :==,
-                                   [:array,
-                                    [:call, [:lvar, :resource], :uuid]]],
-                                  [:resbody, nil, [:false]]]]]],
             "ParseTree"    => s(:defn, :eql?,
                                 s(:args, :resource),
-                                s(:scope,
-                                  s(:block,
-                                    s(:rescue,
-                                      s(:call,
-                                        s(:call, s(:self), :uuid, s(:arglist)),
-                                        :==,
-                                        s(:arglist,
-                                          s(:call, s(:lvar, :resource),
-                                            :uuid, s(:arglist)))),
-                                      s(:resbody, s(:array), s(:false)))))),
+                                s(:rescue,
+                                  s(:call,
+                                    s(:call, s(:self), :uuid),
+                                    :==,
+                                    s(:call, s(:lvar, :resource), :uuid)),
+                                  s(:resbody, s(:array), s(:false)))),
             "Ruby2Ruby"    => "def eql?(resource)\n  (self.uuid == resource.uuid) rescue false\nend")
 
   add_tests("defn_rescue_mri_verbose_flag",
             "Ruby"         => "def eql?(resource)\n  (self.uuid == resource.uuid)\nrescue\n  false\nend",
-            "RawParseTree" => [:defn, :eql?,
-                               [:scope,
-                                [:block,
-                                 [:args, :resource],
-                                 [:rescue,
-                                  [:call,
-                                   [:call, [:self], :uuid],
-                                   :==,
-                                   [:array,
-                                    [:call, [:lvar, :resource], :uuid]]],
-                                  [:resbody, nil, [:false]]]]]],
             "ParseTree"    => s(:defn, :eql?,
                                 s(:args, :resource),
-                                s(:scope,
-                                  s(:block,
-                                    s(:rescue,
-                                      s(:call,
-                                        s(:call, s(:self), :uuid, s(:arglist)),
-                                        :==,
-                                        s(:arglist,
-                                          s(:call, s(:lvar, :resource),
-                                            :uuid, s(:arglist)))),
-                                      s(:resbody, s(:array), s(:false)))))),
+                                s(:rescue,
+                                  s(:call,
+                                    s(:call, s(:self), :uuid),
+                                    :==,
+                                    s(:call, s(:lvar, :resource), :uuid)),
+                                  s(:resbody, s(:array), s(:false)))),
             "Ruby2Ruby"    => "def eql?(resource)\n  (self.uuid == resource.uuid) rescue false\nend")
 
   add_tests("defn_something_eh",
             "Ruby"         => "def something?\n  # do nothing\nend",
-            "RawParseTree" => [:defn, :something?,
-                               [:scope, [:block, [:args], [:nil]]]],
             "ParseTree"    => s(:defn, :something?,
                                 s(:args),
-                                s(:scope, s(:block, s(:nil)))))
+                                s(:nil)))
 
   add_tests("defn_splat_no_name",
             "Ruby"         => "def x(a, *)\n  p(a)\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args, :a, :"*"],
-                                 [:fcall, :p,
-                                  [:array, [:lvar, :a]]]]]],
             "ParseTree"    => s(:defn, :x,
                                 s(:args, :a, :"*"),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, nil, :p,
-                                      s(:arglist, s(:lvar, :a)))))))
+                                s(:call, nil, :p, s(:lvar, :a))))
 
   add_tests("defn_zarray",
             "Ruby"         => "def zarray\n  a = []\n  return a\nend",
-            "RawParseTree" => [:defn, :zarray,
-                               [:scope,
-                                [:block, [:args],
-                                 [:lasgn, :a, [:zarray]],
-                                 [:return, [:lvar, :a]]]]],
             "ParseTree"    => s(:defn, :zarray,
                                 s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:lasgn, :a, s(:array)),
-                                    s(:return, s(:lvar, :a))))))
+                                s(:lasgn, :a, s(:array)),
+                                s(:return, s(:lvar, :a))))
 
   add_tests("defs",
             "Ruby"         => "def self.x(y)\n  (y + 1)\nend",
-            "RawParseTree" => [:defs, [:self], :x,
-                               [:scope,
-                                [:block,
-                                 [:args, :y],
-                                 [:call, [:lvar, :y], :+,
-                                  [:array, [:lit, 1]]]]]],
             "ParseTree"    => s(:defs, s(:self), :x,
                                 s(:args, :y),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, s(:lvar, :y), :+,
-                                      s(:arglist, s(:lit, 1)))))))
+                                s(:call, s(:lvar, :y), :+, s(:lit, 1))))
 
   add_tests("defs_empty",
             "Ruby"         => "def self.empty\n  # do nothing\nend",
-            "RawParseTree" => [:defs, [:self], :empty,
-                               [:scope, [:args]]],
-            "ParseTree"    => s(:defs, s(:self), :empty,
-                                s(:args),
-                                s(:scope, s(:block))))
+            "ParseTree"    => s(:defs, s(:self), :empty, s(:args)))
 
   add_tests("defs_empty_args",
             "Ruby"         => "def self.empty(*)\n  # do nothing\nend",
-            "RawParseTree" => [:defs, [:self], :empty,
-                               [:scope, [:args, :*]]],
             "ParseTree"    => s(:defs, s(:self), :empty,
-                                s(:args, :*),
-                                s(:scope, s(:block))))
+                                s(:args, :*)))
 
   add_tests("defs_expr_wtf",
             "Ruby"         => "def (a.b).empty(*)\n  # do nothing\nend",
-            "RawParseTree" => [:defs,
-                               [:call, [:vcall, :a], :b],
-                               :empty,
-                               [:scope, [:args, :*]]],
             "ParseTree"    => s(:defs,
-                                s(:call,
-                                  s(:call, nil, :a, s(:arglist)),
-                                  :b, s(:arglist)),
+                                s(:call, s(:call, nil, :a), :b),
                                 :empty,
-                                s(:args, :*),
-                                s(:scope, s(:block))))
+                                s(:args, :*)))
 
   add_tests("dmethod",
             "Ruby"         => [Examples, :dmethod_added],
-            "RawParseTree" => [:defn, :dmethod_added,
-                               [:dmethod,
-                                :a_method,
-                                [:scope,
-                                 [:block,
-                                  [:args, :x],
-                                  [:call, [:lvar, :x], :+,
-                                   [:array, [:lit, 1]]]]]]],
             "ParseTree"    => s(:defn, :dmethod_added,
                                 s(:args, :x),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, s(:lvar, :x), :+,
-                                      s(:arglist, s(:lit, 1)))))),
+                                s(:call, s(:lvar, :x), :+, s(:lit, 1))),
             "Ruby2Ruby"    => "def dmethod_added(x)\n  (x + 1)\nend")
 
   add_tests("dot2",
             "Ruby"         => "(a..b)",
-            "RawParseTree" => [:dot2, [:vcall, :a], [:vcall, :b]],
             "ParseTree"    => s(:dot2,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:call, nil, :b, s(:arglist))))
+                                s(:call, nil, :a),
+                                s(:call, nil, :b)))
 
   add_tests("dot3",
             "Ruby"         => "(a...b)",
-            "RawParseTree" => [:dot3, [:vcall, :a], [:vcall, :b]],
             "ParseTree"    => s(:dot3,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:call, nil, :b, s(:arglist))))
+                                s(:call, nil, :a),
+                                s(:call, nil, :b)))
 
   add_tests("dregx",
             "Ruby"         => "/x#\{(1 + 1)}y/",
-            "RawParseTree" => [:dregx, "x",
-                               [:evstr,
-                                [:call, [:lit, 1], :+, [:array, [:lit, 1]]]],
-                               [:str, "y"]],
             "ParseTree"    => s(:dregx, "x",
                                 s(:evstr,
-                                  s(:call, s(:lit, 1), :+,
-                                    s(:arglist, s(:lit, 1)))),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1))),
                                 s(:str, "y")))
 
   add_tests("dregx_interp",
             "Ruby"         => "/#\{@rakefile}/",
-            "RawParseTree" => [:dregx, '', [:evstr, [:ivar, :@rakefile]]],
             "ParseTree"    => s(:dregx, '', s(:evstr, s(:ivar, :@rakefile))))
 
   add_tests("dregx_interp_empty",
             "Ruby"         => "/a#\{}b/",
-            "RawParseTree" => [:dregx, 'a', [:evstr], [:str, "b"]],
             "ParseTree"    => s(:dregx, 'a', s(:evstr), s(:str, "b")))
 
   add_tests("dregx_n",
             "Ruby"         => '/#{1}/n',
-            "RawParseTree" => [:dregx, '', [:evstr, [:lit, 1]], /x/n.options],
             "ParseTree"    => s(:dregx, '',
-                                s(:evstr, s(:lit, 1)), /x/n.options),
-            "Ruby2Ruby"    => "/#\{1}/") # HACK - need to support regexp flag
+                                s(:evstr, s(:lit, 1)), /x/n.options))
 
   add_tests("dregx_once",
             "Ruby"         => "/x#\{(1 + 1)}y/o",
-            "RawParseTree" => [:dregx_once, "x",
-                               [:evstr,
-                                [:call, [:lit, 1], :+, [:array, [:lit, 1]]]],
-                               [:str, "y"]],
             "ParseTree"    => s(:dregx_once, "x",
                                 s(:evstr,
-                                  s(:call, s(:lit, 1), :+,
-                                    s(:arglist, s(:lit, 1)))),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1))),
                                 s(:str, "y")))
 
   add_tests("dregx_once_n_interp",
             "Ruby"         => "/#\{IAC}#\{SB}/no",
-            "RawParseTree" => [:dregx_once, '',
-                               [:evstr, [:const, :IAC]],
-                               [:evstr, [:const, :SB]], /x/n.options],
             "ParseTree"    => s(:dregx_once, '',
                                 s(:evstr, s(:const, :IAC)),
-                                s(:evstr, s(:const, :SB)), /x/n.options),
-            "Ruby2Ruby"    => "/#\{IAC}#\{SB}/o") # HACK
+                                s(:evstr, s(:const, :SB)), /x/n.options))
 
   add_tests("dstr",
             "Ruby"         => "argl = 1\n\"x#\{argl}y\"\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :argl, [:lit, 1]],
-                               [:dstr, "x", [:evstr, [:lvar, :argl]],
-                                [:str, "y"]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :argl, s(:lit, 1)),
                                 s(:dstr, "x", s(:evstr, s(:lvar, :argl)),
@@ -1960,37 +1553,17 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("dstr_2",
             "Ruby"         => "argl = 1\n\"x#\{(\"%.2f\" % 3.14159)}y\"\n",
-            "RawParseTree" =>   [:block,
-                                 [:lasgn, :argl, [:lit, 1]],
-                                 [:dstr,
-                                  "x",
-                                  [:evstr,
-                                   [:call, [:str, "%.2f"], :%,
-                                    [:array, [:lit, 3.14159]]]],
-                                  [:str, "y"]]],
             "ParseTree"    =>   s(:block,
                                   s(:lasgn, :argl, s(:lit, 1)),
                                   s(:dstr,
                                     "x",
                                     s(:evstr,
                                       s(:call, s(:str, "%.2f"), :%,
-                                        s(:arglist, s(:lit, 3.14159)))),
+                                        s(:lit, 3.14159))),
                                     s(:str, "y"))))
 
   add_tests("dstr_3",
             "Ruby"         => "max = 2\nargl = 1\n\"x#\{(\"%.#\{max}f\" % 3.14159)}y\"\n",
-            "RawParseTree" =>   [:block,
-                                 [:lasgn, :max, [:lit, 2]],
-                                 [:lasgn, :argl, [:lit, 1]],
-                                 [:dstr, "x",
-                                  [:evstr,
-                                   [:call,
-                                    [:dstr, "%.",
-                                     [:evstr, [:lvar, :max]],
-                                     [:str, "f"]],
-                                    :%,
-                                    [:array, [:lit, 3.14159]]]],
-                                  [:str, "y"]]],
             "ParseTree"    =>   s(:block,
                                   s(:lasgn, :max, s(:lit, 2)),
                                   s(:lasgn, :argl, s(:lit, 1)),
@@ -2001,19 +1574,11 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
                                           s(:evstr, s(:lvar, :max)),
                                           s(:str, "f")),
                                         :%,
-                                        s(:arglist, s(:lit, 3.14159)))),
+                                        s(:lit, 3.14159))),
                                     s(:str, "y"))))
 
   add_tests("dstr_concat",
             "Ruby"         => '"#{22}aa" "cd#{44}" "55" "#{66}"',
-            "RawParseTree" => [:dstr,
-                               "",
-                               [:evstr, [:lit, 22]],
-                               [:str, "aa"],
-                               [:str, "cd"],
-                               [:evstr, [:lit, 44]],
-                               [:str, "55"],
-                               [:evstr, [:lit, 66]]],
             "ParseTree"    => s(:dstr,
                                 "",
                                 s(:evstr, s(:lit, 22)),
@@ -2026,13 +1591,6 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("dstr_gross",
             "Ruby"         => '"a #$global b #@ivar c #@@cvar d"',
-            "RawParseTree" => [:dstr, "a ",
-                               [:evstr, [:gvar, :$global]],
-                               [:str, " b "],
-                               [:evstr, [:ivar, :@ivar]],
-                               [:str, " c "],
-                               [:evstr, [:cvar, :@@cvar]],
-                               [:str, " d"]],
             "ParseTree"    => s(:dstr, "a ",
                                 s(:evstr, s(:gvar, :$global)),
                                 s(:str, " b "),
@@ -2044,35 +1602,21 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("dstr_heredoc_expand",
             "Ruby"         => "<<EOM\n  blah\n#\{1 + 1}blah\nEOM\n",
-            "RawParseTree" => [:dstr, "  blah\n",
-                               [:evstr, [:call, [:lit, 1], :+,
-                                         [:array, [:lit, 1]]]],
-                               [:str, "blah\n"]],
             "ParseTree"    => s(:dstr, "  blah\n",
-                                s(:evstr, s(:call, s(:lit, 1), :+,
-                                            s(:arglist, s(:lit, 1)))),
+                                s(:evstr, s(:call, s(:lit, 1), :+, s(:lit, 1))),
                                 s(:str, "blah\n")),
             "Ruby2Ruby"    => "\"  blah\\n#\{(1 + 1)}blah\\n\"")
 
   add_tests("dstr_heredoc_windoze_sucks",
             "Ruby"         => "<<-EOF\r\ndef test_#\{action}_valid_feed\r\n  EOF\r\n",
-            "RawParseTree" => [:dstr,
-                               'def test_',
-                               [:evstr, [:vcall, :action]],
-                               [:str, "_valid_feed\n"]],
             "ParseTree"    => s(:dstr,
                                 'def test_',
-                                s(:evstr, s(:call, nil, :action, s(:arglist))),
+                                s(:evstr, s(:call, nil, :action)),
                                 s(:str, "_valid_feed\n")),
             "Ruby2Ruby"    => "\"def test_#\{action}_valid_feed\\n\"")
 
   add_tests("dstr_heredoc_yet_again",
             "Ruby"         => "<<-EOF\ns1 '#\{RUBY_PLATFORM}' s2\n#\{__FILE__}\n        EOF\n",
-            "RawParseTree" => [:dstr, "s1 '",
-                               [:evstr, [:const, :RUBY_PLATFORM]],
-                               [:str, "' s2\n"],
-                               [:str, "(string)"],
-                               [:str, "\n"]],
             "ParseTree"    => s(:dstr, "s1 '",
                                 s(:evstr, s(:const, :RUBY_PLATFORM)),
                                 s(:str, "' s2\n"),
@@ -2082,52 +1626,30 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("dstr_nest",
             "Ruby"         => "%Q[before [#\{nest}] after]",
-            "RawParseTree" => [:dstr, "before [",
-                               [:evstr, [:vcall, :nest]], [:str, "] after"]],
             "ParseTree"    => s(:dstr, "before [",
-                                s(:evstr, s(:call, nil, :nest, s(:arglist))),
+                                s(:evstr, s(:call, nil, :nest)),
                                 s(:str, "] after")),
             "Ruby2Ruby"    => "\"before [#\{nest}] after\"")
 
   add_tests("dstr_str_lit_start",
             "Ruby"         => '"#{"blah"}#{__FILE__}:#{__LINE__}: warning: #{$!.message} (#{$!.class})"',
-            "RawParseTree" => [:dstr,
-                               "blah(string):",
-                               [:evstr, [:lit, 1]],
-                               [:str, ": warning: "],
-                               [:evstr, [:call, [:gvar, :$!], :message]],
-                               [:str, " ("],
-                               [:evstr, [:call, [:gvar, :$!], :class]],
-                               [:str, ")"]],
             "ParseTree"    => s(:dstr,
                                 "blah(string):",
                                 s(:evstr, s(:lit, 1)),
                                 s(:str, ": warning: "),
-                                s(:evstr, s(:call, s(:gvar, :$!), :message,
-                                            s(:arglist))),
+                                s(:evstr, s(:call, s(:gvar, :$!), :message)),
                                 s(:str, " ("),
-                                s(:evstr, s(:call, s(:gvar, :$!), :class,
-                                            s(:arglist))),
+                                s(:evstr, s(:call, s(:gvar, :$!), :class)),
                                 s(:str, ")")),
             "Ruby2Ruby"    => '"blah(string):#{1}: warning: #{$!.message} (#{$!.class})"')
 
   add_tests("dstr_the_revenge",
             "Ruby"         => '"before #{from} middle #{to} (#{__FILE__}:#{__LINE__})"',
-            "RawParseTree" => [:dstr,
-                               "before ",
-                               [:evstr, [:vcall, :from]],
-                               [:str, " middle "],
-                               [:evstr, [:vcall, :to]],
-                               [:str, " ("],
-                               [:str, "(string)"],
-                               [:str, ":"],
-                               [:evstr, [:lit, 1]],
-                               [:str, ")"]],
             "ParseTree"    => s(:dstr,
                                 "before ",
-                                s(:evstr, s(:call, nil, :from, s(:arglist))),
+                                s(:evstr, s(:call, nil, :from)),
                                 s(:str, " middle "),
-                                s(:evstr, s(:call, nil, :to, s(:arglist))),
+                                s(:evstr, s(:call, nil, :to)),
                                 s(:str, " ("),
                                 s(:str, "(string)"),
                                 s(:str, ":"),
@@ -2137,41 +1659,21 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("dsym",
             "Ruby"         => ":\"x#\{(1 + 1)}y\"",
-            "RawParseTree" => [:dsym, "x",
-                               [:evstr, [:call, [:lit, 1], :+,
-                                         [:array, [:lit, 1]]]], [:str, "y"]],
             "ParseTree"    => s(:dsym, "x",
-                                s(:evstr, s(:call, s(:lit, 1), :+,
-                                            s(:arglist, s(:lit, 1)))), s(:str, "y")))
+                                s(:evstr, s(:call, s(:lit, 1), :+, s(:lit, 1))),
+                                s(:str, "y")))
 
   add_tests("dxstr",
             "Ruby"         => "t = 5\n`touch #\{t}`\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :t, [:lit, 5]],
-                               [:dxstr, 'touch ', [:evstr, [:lvar, :t]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :t, s(:lit, 5)),
                                 s(:dxstr, 'touch ', s(:evstr, s(:lvar, :t)))))
 
   add_tests("ensure",
             "Ruby"         => "begin\n  (1 + 1)\nrescue SyntaxError => e1\n  2\nrescue Exception => e2\n  3\nelse\n  4\nensure\n  5\nend",
-            "RawParseTree" => [:ensure,
-                               [:rescue,
-                                [:call, [:lit, 1], :+, [:array, [:lit, 1]]],
-                                [:resbody,
-                                 [:array, [:const, :SyntaxError]],
-                                 [:block,
-                                  [:lasgn, :e1, [:gvar, :$!]], [:lit, 2]],
-                                 [:resbody,
-                                  [:array, [:const, :Exception]],
-                                  [:block,
-                                   [:lasgn, :e2, [:gvar, :$!]], [:lit, 3]]]],
-                                [:lit, 4]],
-                               [:lit, 5]],
             "ParseTree"    => s(:ensure,
                                 s(:rescue,
-                                  s(:call, s(:lit, 1), :+,
-                                    s(:arglist, s(:lit, 1))),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 1)),
                                   s(:resbody,
                                     s(:array,
                                       s(:const, :SyntaxError),
@@ -2187,258 +1689,151 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("false",
             "Ruby"         => "false",
-            "RawParseTree" => [:false],
             "ParseTree"    => s(:false))
 
   add_tests("fbody",
             "Ruby"         => [Examples, :an_alias],
-            "RawParseTree" => [:defn, :an_alias,
-                               [:fbody,
-                                [:scope,
-                                 [:block,
-                                  [:args, :x],
-                                  [:call, [:lvar, :x], :+,
-                                   [:array, [:lit, 1]]]]]]],
-            "ParseTree"    => s(:defn, :an_alias,
-                                s(:args, :x),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, s(:lvar, :x), :+,
-                                      s(:arglist, s(:lit, 1)))))),
+            "ParseTree"    => s(:defn, :an_alias, s(:args, :x),
+                                s(:call, s(:lvar, :x), :+, s(:lit, 1))),
             "Ruby2Ruby"    => "def an_alias(x)\n  (x + 1)\nend")
 
   add_tests("fcall_arglist",
             "Ruby"         => "m(42)",
-            "RawParseTree" => [:fcall, :m, [:array, [:lit, 42]]],
-            "ParseTree"    => s(:call, nil, :m, s(:arglist, s(:lit, 42))))
+            "ParseTree"    => s(:call, nil, :m, s(:lit, 42)))
 
   add_tests("fcall_arglist_hash",
             "Ruby"         => "m(:a => 1, :b => 2)",
-            "RawParseTree" => [:fcall, :m,
-                               [:array,
-                                [:hash,
-                                 [:lit, :a], [:lit, 1],
-                                 [:lit, :b], [:lit, 2]]]],
             "ParseTree"    => s(:call, nil, :m,
-                                s(:arglist,
-                                  s(:hash,
-                                    s(:lit, :a), s(:lit, 1),
-                                    s(:lit, :b), s(:lit, 2)))))
+                                s(:hash,
+                                  s(:lit, :a), s(:lit, 1),
+                                  s(:lit, :b), s(:lit, 2))))
 
   add_tests("fcall_arglist_norm_hash",
             "Ruby"         => "m(42, :a => 1, :b => 2)",
-            "RawParseTree" => [:fcall, :m,
-                               [:array,
-                                [:lit, 42],
-                                [:hash,
-                                 [:lit, :a], [:lit, 1],
-                                 [:lit, :b], [:lit, 2]]]],
             "ParseTree"    => s(:call, nil, :m,
-                                s(:arglist,
-                                  s(:lit, 42),
-                                  s(:hash,
-                                    s(:lit, :a), s(:lit, 1),
-                                    s(:lit, :b), s(:lit, 2)))))
-
-  add_tests("fcall_arglist_norm_hash_splat",
-            "Ruby"         => "m(42, :a => 1, :b => 2, *c)",
-            "RawParseTree" => [:fcall, :m,
-                               [:argscat,
-                                [:array,
-                                 [:lit, 42],
-                                 [:hash,
-                                  [:lit, :a], [:lit, 1],
-                                  [:lit, :b], [:lit, 2]]],
-                                [:vcall, :c]]],
-            "ParseTree"    => s(:call, nil, :m,
-                                s(:arglist,
-                                  s(:lit, 42),
-                                  s(:hash,
-                                    s(:lit, :a), s(:lit, 1),
-                                    s(:lit, :b), s(:lit, 2)),
-                                  s(:splat, s(:call, nil, :c, s(:arglist))))))
+                                s(:lit, 42),
+                                s(:hash,
+                                  s(:lit, :a), s(:lit, 1),
+                                  s(:lit, :b), s(:lit, 2))))
 
   add_tests("fcall_block",
             "Ruby"         => "a(:b) { :c }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a, [:array, [:lit, :b]]], nil,
-                               [:lit, :c]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a,
-                                  s(:arglist, s(:lit, :b))), nil,
+                                s(:call, nil, :a, s(:lit, :b)),
+                                s(:args),
                                 s(:lit, :c)))
 
   add_tests("fcall_index_space",
             "Ruby"         => "a [42]",
-            "RawParseTree" => [:fcall, :a, [:array, [:array, [:lit, 42]]]],
-            "ParseTree"    => s(:call, nil, :a,
-                                s(:arglist, s(:array, s(:lit, 42)))),
+            "ParseTree"    => s(:call, nil, :a, s(:array, s(:lit, 42))),
             "Ruby2Ruby"    => "a([42])")
 
+  add_tests("fcall_inside_parens",
+            "Ruby"         => "( a (b), c)",
+            "ParseTree"    => s(:call, nil, :a,
+                                s(:call, nil, :b), s(:call, nil, :c)),
+            "Ruby2Ruby"    => "a(b, c)")
+
   add_tests("fcall_keyword",
             "Ruby"         => "42 if block_given?",
-            "RawParseTree" => [:if, [:fcall, :block_given?], [:lit, 42], nil],
             "ParseTree"    => s(:if,
-                                s(:call, nil, :block_given?, s(:arglist)),
+                                s(:call, nil, :block_given?),
                                 s(:lit, 42), nil))
 
   add_tests("flip2",
             "Ruby"         => "x = if ((i % 4) == 0)..((i % 3) == 0) then\n  i\nelse\n  nil\nend",
-            "RawParseTree" => [:lasgn,
-                               :x,
-                               [:if,
-                                [:flip2,
-                                 [:call,
-                                  [:call, [:vcall, :i], :%,
-                                   [:array, [:lit, 4]]],
-                                  :==,
-                                  [:array, [:lit, 0]]],
-                                 [:call,
-                                  [:call, [:vcall, :i], :%,
-                                   [:array, [:lit, 3]]],
-                                  :==,
-                                  [:array, [:lit, 0]]]],
-                                [:vcall, :i],
-                                [:nil]]],
             "ParseTree"    => s(:lasgn,
                                 :x,
                                 s(:if,
                                   s(:flip2,
                                     s(:call,
-                                      s(:call, s(:call, nil, :i, s(:arglist)),
+                                      s(:call, s(:call, nil, :i),
                                         :%,
-                                        s(:arglist, s(:lit, 4))),
+                                        s(:lit, 4)),
                                       :==,
-                                      s(:arglist, s(:lit, 0))),
+                                      s(:lit, 0)),
                                     s(:call,
-                                      s(:call, s(:call, nil, :i, s(:arglist)),
+                                      s(:call, s(:call, nil, :i),
                                         :%,
-                                        s(:arglist, s(:lit, 3))),
+                                        s(:lit, 3)),
                                       :==,
-                                      s(:arglist, s(:lit, 0)))),
-                                  s(:call, nil, :i, s(:arglist)),
+                                      s(:lit, 0))),
+                                  s(:call, nil, :i),
                                   s(:nil))))
 
   add_tests("flip2_method",
             "Ruby"         => "if 1..2.a?(b) then\n  nil\nend",
-            "RawParseTree" => [:if,
-                               [:flip2,
-                                [:call, [:lit, 1], :==,
-                                 [:array, [:gvar, :$.]]],
-                                [:call, [:lit, 2], :a?,
-                                 [:array, [:vcall, :b]]]],
-                               [:nil],
-                               nil],
             "ParseTree"    => s(:if,
                                 s(:flip2,
                                   s(:lit, 1),
-                                  s(:call, s(:lit, 2), :a?,
-                                    s(:arglist,
-                                      s(:call, nil, :b, s(:arglist))))),
+                                  s(:call, s(:lit, 2), :a?, s(:call, nil, :b))),
                                 s(:nil),
                                 nil))
 
   add_tests("flip3",
             "Ruby"         => "x = if ((i % 4) == 0)...((i % 3) == 0) then\n  i\nelse\n  nil\nend",
-            "RawParseTree" => [:lasgn,
-                               :x,
-                               [:if,
-                                [:flip3,
-                                 [:call,
-                                  [:call, [:vcall, :i], :%,
-                                   [:array, [:lit, 4]]],
-                                  :==,
-                                  [:array, [:lit, 0]]],
-                                 [:call,
-                                  [:call, [:vcall, :i], :%,
-                                   [:array, [:lit, 3]]],
-                                  :==,
-                                  [:array, [:lit, 0]]]],
-                                [:vcall, :i],
-                                [:nil]]],
             "ParseTree"    => s(:lasgn,
                                 :x,
                                 s(:if,
                                   s(:flip3,
                                     s(:call,
-                                      s(:call, s(:call, nil, :i, s(:arglist)),
+                                      s(:call, s(:call, nil, :i),
                                         :%,
-                                        s(:arglist, s(:lit, 4))),
+                                        s(:lit, 4)),
                                       :==,
-                                      s(:arglist, s(:lit, 0))),
+                                      s(:lit, 0)),
                                     s(:call,
-                                      s(:call, s(:call, nil, :i, s(:arglist)),
+                                      s(:call, s(:call, nil, :i),
                                         :%,
-                                        s(:arglist, s(:lit, 3))),
+                                        s(:lit, 3)),
                                       :==,
-                                      s(:arglist, s(:lit, 0)))),
-                                  s(:call, nil, :i, s(:arglist)),
+                                      s(:lit, 0))),
+                                  s(:call, nil, :i),
                                   s(:nil))))
 
   add_tests("for",
             "Ruby"         => "for o in ary do\n  puts(o)\nend",
-            "RawParseTree" => [:for,
-                               [:vcall, :ary],
-                               [:lasgn, :o],
-                               [:fcall, :puts, [:array, [:lvar, :o]]]],
             "ParseTree"    => s(:for,
-                                s(:call, nil, :ary, s(:arglist)),
+                                s(:call, nil, :ary),
                                 s(:lasgn, :o),
-                                s(:call, nil, :puts,
-                                  s(:arglist, s(:lvar, :o)))))
+                                s(:call, nil, :puts, s(:lvar, :o))))
 
   add_tests("for_no_body",
             "Ruby"         => "for i in (0..max) do\n  # do nothing\nend",
-            "RawParseTree" => [:for,
-                               [:dot2, [:lit, 0], [:vcall, :max]],
-                               [:lasgn, :i]],
             "ParseTree"    => s(:for,
                                 s(:dot2,
                                   s(:lit, 0),
-                                  s(:call, nil, :max, s(:arglist))),
+                                  s(:call, nil, :max)),
                                 s(:lasgn, :i)))
 
   add_tests("gasgn",
             "Ruby"         => "$x = 42",
-            "RawParseTree" => [:gasgn, :$x, [:lit, 42]],
             "ParseTree"    => s(:gasgn, :$x, s(:lit, 42)))
 
   add_tests("global",
             "Ruby"         => "$stderr",
-            "RawParseTree" =>  [:gvar, :$stderr],
             "ParseTree"    =>  s(:gvar, :$stderr))
 
   add_tests("gvar",
             "Ruby"         => "$x",
-            "RawParseTree" => [:gvar, :$x],
             "ParseTree"    => s(:gvar, :$x))
 
   add_tests("gvar_underscore",
             "Ruby"         => "$_",
-            "RawParseTree" => [:gvar, :$_],
             "ParseTree"    => s(:gvar, :$_))
 
   add_tests("gvar_underscore_blah",
             "Ruby"         => "$__blah",
-            "RawParseTree" => [:gvar, :$__blah],
             "ParseTree"    => s(:gvar, :$__blah))
 
   add_tests("hash",
             "Ruby"         => "{ 1 => 2, 3 => 4 }",
-            "RawParseTree" => [:hash,
-                               [:lit, 1], [:lit, 2],
-                               [:lit, 3], [:lit, 4]],
             "ParseTree"    => s(:hash,
                                 s(:lit, 1), s(:lit, 2),
                                 s(:lit, 3), s(:lit, 4)))
 
   add_tests("hash_rescue",
             "Ruby"         => "{ 1 => (2 rescue 3) }",
-            "RawParseTree" => [:hash,
-                               [:lit, 1],
-                               [:rescue,
-                                [:lit, 2],
-                                [:resbody, nil, [:lit, 3]]]],
             "ParseTree"    => s(:hash,
                                 s(:lit, 1),
                                 s(:rescue,
@@ -2447,178 +1842,85 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("iasgn",
             "Ruby"         => "@a = 4",
-            "RawParseTree" => [:iasgn, :@a, [:lit, 4]],
             "ParseTree"    => s(:iasgn, :@a, s(:lit, 4)))
 
   add_tests("if_block_condition",
             "Ruby"         => "if (x = 5\n(x + 1)) then\n  nil\nend",
-            "RawParseTree" => [:if,
-                               [:block,
-                                [:lasgn, :x, [:lit, 5]],
-                                [:call,
-                                 [:lvar, :x],
-                                 :+,
-                                 [:array, [:lit, 1]]]],
-                               [:nil],
-                               nil],
             "ParseTree"    => s(:if,
                                 s(:block,
                                   s(:lasgn, :x, s(:lit, 5)),
-                                  s(:call,
-                                    s(:lvar, :x),
-                                    :+,
-                                    s(:arglist, s(:lit, 1)))),
+                                  s(:call, s(:lvar, :x), :+, s(:lit, 1))),
                                 s(:nil),
                                 nil))
 
   add_tests("if_lasgn_short",
             "Ruby"         => "if x = obj.x then\n  x.do_it\nend",
-            "RawParseTree" => [:if,
-                               [:lasgn, :x,
-                                [:call, [:vcall, :obj], :x]],
-                               [:call,
-                                [:lvar, :x], :do_it],
-                               nil],
             "ParseTree"    => s(:if,
                                 s(:lasgn, :x,
                                   s(:call,
-                                    s(:call, nil, :obj, s(:arglist)),
-                                    :x, s(:arglist))),
-                                s(:call, s(:lvar, :x), :do_it, s(:arglist)),
+                                    s(:call, nil, :obj),
+                                    :x)),
+                                s(:call, s(:lvar, :x), :do_it),
                                 nil))
 
   add_tests("if_nested",
             "Ruby"         => "return if false unless true",
-            "RawParseTree" => [:if, [:true], nil,
-                               [:if, [:false], [:return], nil]],
             "ParseTree"    => s(:if, s(:true), nil,
                                 s(:if, s(:false), s(:return), nil)))
 
   add_tests("if_post",
             "Ruby"         => "a if b",
-            "RawParseTree" => [:if, [:vcall, :b], [:vcall, :a], nil],
-            "ParseTree"    => s(:if, s(:call, nil, :b, s(:arglist)),
-                                s(:call, nil, :a, s(:arglist)), nil))
-
-  add_tests("if_post_not",
-            "Ruby"         => "a if not b",
-            "RawParseTree" => [:if, [:vcall, :b], nil, [:vcall, :a]],
-            "ParseTree"    => s(:if, s(:call, nil, :b, s(:arglist)), nil,
-                                s(:call, nil, :a, s(:arglist))),
-            "Ruby2Ruby"    => "a unless b")
+            "ParseTree"    => s(:if, s(:call, nil, :b),
+                                s(:call, nil, :a), nil))
 
   add_tests("if_pre",
             "Ruby"         => "if b then a end",
-            "RawParseTree" => [:if, [:vcall, :b], [:vcall, :a], nil],
-            "ParseTree"    => s(:if, s(:call, nil, :b, s(:arglist)),
-                                s(:call, nil, :a, s(:arglist)), nil),
+            "ParseTree"    => s(:if, s(:call, nil, :b),
+                                s(:call, nil, :a), nil),
             "Ruby2Ruby"    => "a if b")
 
-  add_tests("if_pre_not",
-            "Ruby"         => "if not b then a end",
-            "RawParseTree" => [:if, [:vcall, :b], nil, [:vcall, :a]],
-            "ParseTree"    => s(:if, s(:call, nil, :b, s(:arglist)), nil,
-                                s(:call, nil, :a, s(:arglist))),
-            "Ruby2Ruby"    => "a unless b")
-
   add_tests("iter_call_arglist_space",
             "Ruby" => "a (1) {|c|d}",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a, [:array, [:lit, 1]]],
-                               [:dasgn_curr, :c],
-                               [:vcall, :d]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a, s(:arglist, s(:lit, 1))),
-                                s(:lasgn, :c),
-                                s(:call, nil, :d, s(:arglist))),
+                                s(:call, nil, :a, s(:lit, 1)),
+                                s(:args, :c),
+                                s(:call, nil, :d)),
             "Ruby2Ruby"    => "a(1) { |c| d }")
 
   add_tests("iter_dasgn_curr_dasgn_madness",
             "Ruby"         => "as.each { |a|\n  b += a.b(false) }",
-            "RawParseTree" => [:iter,
-                               [:call, [:vcall, :as], :each],
-                               [:dasgn_curr, :a],
-                               [:dasgn_curr,
-                                :b,
-                                [:call,
-                                 [:dvar, :b],
-                                 :+,
-                                 [:array,
-                                  [:call, [:dvar, :a], :b,
-                                   [:array, [:false]]]]]]],
             "ParseTree"    => s(:iter,
-                                s(:call,
-                                  s(:call, nil, :as, s(:arglist)),
-                                  :each, s(:arglist)),
-                                s(:lasgn, :a),
+                                s(:call, s(:call, nil, :as), :each),
+                                s(:args, :a),
                                 s(:lasgn, :b,
                                   s(:call,
                                     s(:lvar, :b),
                                     :+,
-                                    s(:arglist,
-                                      s(:call, s(:lvar, :a), :b,
-                                        s(:arglist, s(:false))))))),
+                                    s(:call, s(:lvar, :a), :b, s(:false))))),
             "Ruby2Ruby"    => "as.each { |a| b = (b + a.b(false)) }")
 
   add_tests("iter_downto",
             "Ruby"         => "3.downto(1) { |n| puts(n.to_s) }",
-            "RawParseTree" => [:iter,
-                               [:call, [:lit, 3], :downto, [:array, [:lit, 1]]],
-                               [:dasgn_curr, :n],
-                               [:fcall, :puts,
-                                [:array, [:call, [:dvar, :n], :to_s]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, s(:lit, 3), :downto,
-                                  s(:arglist, s(:lit, 1))),
-                                s(:lasgn, :n),
+                                s(:call, s(:lit, 3), :downto, s(:lit, 1)),
+                                s(:args, :n),
                                 s(:call, nil, :puts,
-                                  s(:arglist,
-                                    s(:call, s(:lvar, :n),
-                                      :to_s, s(:arglist))))))
+                                  s(:call, s(:lvar, :n), :to_s))))
 
   add_tests("iter_each_lvar",
             "Ruby"         => "array = [1, 2, 3]\narray.each { |x| puts(x.to_s) }\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :array,
-                                [:array, [:lit, 1], [:lit, 2], [:lit, 3]]],
-                               [:iter,
-                                [:call, [:lvar, :array], :each],
-                                [:dasgn_curr, :x],
-                                [:fcall, :puts,
-                                 [:array, [:call, [:dvar, :x], :to_s]]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :array,
                                   s(:array,
                                     s(:lit, 1), s(:lit, 2), s(:lit, 3))),
                                 s(:iter,
-                                  s(:call, s(:lvar, :array), :each,
-                                    s(:arglist)),
-                                  s(:lasgn, :x),
+                                  s(:call, s(:lvar, :array), :each),
+                                  s(:args, :x),
                                   s(:call, nil, :puts,
-                                    s(:arglist, s(:call, s(:lvar, :x),
-                                                  :to_s, s(:arglist)))))))
+                                    s(:call, s(:lvar, :x), :to_s)))))
 
   add_tests("iter_each_nested",
             "Ruby"         => "array1 = [1, 2, 3]\narray2 = [4, 5, 6, 7]\narray1.each do |x|\n  array2.each do |y|\n    puts(x.to_s)\n    puts(y.to_s)\n  end\nend\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :array1,
-                                [:array, [:lit, 1], [:lit, 2], [:lit, 3]]],
-                               [:lasgn, :array2,
-                                [:array,
-                                 [:lit, 4], [:lit, 5], [:lit, 6], [:lit, 7]]],
-                               [:iter,
-                                [:call,
-                                 [:lvar, :array1], :each],
-                                [:dasgn_curr, :x],
-                                [:iter,
-                                 [:call,
-                                  [:lvar, :array2], :each],
-                                 [:dasgn_curr, :y],
-                                 [:block,
-                                  [:fcall, :puts,
-                                   [:array, [:call, [:dvar, :x], :to_s]]],
-                                  [:fcall, :puts,
-                                   [:array, [:call, [:dvar, :y], :to_s]]]]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :array1,
                                   s(:array,
@@ -2628,174 +1930,183 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
                                     s(:lit, 4), s(:lit, 5),
                                     s(:lit, 6), s(:lit, 7))),
                                 s(:iter,
-                                  s(:call,
-                                    s(:lvar, :array1), :each, s(:arglist)),
-                                  s(:lasgn, :x),
+                                  s(:call, s(:lvar, :array1), :each),
+                                  s(:args, :x),
                                   s(:iter,
-                                    s(:call,
-                                      s(:lvar, :array2), :each, s(:arglist)),
-                                    s(:lasgn, :y),
+                                    s(:call, s(:lvar, :array2), :each),
+                                    s(:args, :y),
                                     s(:block,
                                       s(:call, nil, :puts,
-                                        s(:arglist,
-                                          s(:call, s(:lvar, :x),
-                                            :to_s, s(:arglist)))),
+                                        s(:call, s(:lvar, :x), :to_s)),
                                       s(:call, nil, :puts,
-                                        s(:arglist,
-                                          s(:call, s(:lvar, :y),
-                                            :to_s, s(:arglist)))))))))
+                                        s(:call, s(:lvar, :y), :to_s)))))))
 
   add_tests("iter_loop_empty",
             "Ruby"         => "loop { }",
-            "RawParseTree" => [:iter, [:fcall, :loop], nil],
-            "ParseTree"    => s(:iter, s(:call, nil, :loop, s(:arglist)), nil))
+            "ParseTree"    => s(:iter, s(:call, nil, :loop), s(:args)))
 
   add_tests("iter_masgn_2",
             "Ruby"         => "a { |b, c| p(c) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a],
-                               [:masgn,
-                                [:array, [:dasgn_curr, :b], [:dasgn_curr, :c]],
-                                nil, nil],
-                               [:fcall, :p, [:array, [:dvar, :c]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:masgn,
-                                  s(:array, s(:lasgn, :b), s(:lasgn, :c))),
-                                s(:call, nil, :p, s(:arglist, s(:lvar, :c)))))
+                                s(:call, nil, :a),
+                                s(:args, :b, :c),
+                                s(:call, nil, :p, s(:lvar, :c))))
 
   add_tests("iter_masgn_args_splat",
             "Ruby"         => "a { |b, c, *d| p(c) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a],
-                               [:masgn,
-                                [:array, [:dasgn_curr, :b], [:dasgn_curr, :c]],
-                                [:dasgn_curr, :d], nil],
-                               [:fcall, :p, [:array, [:dvar, :c]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:masgn,
-                                  s(:array,
-                                    s(:lasgn, :b),
-                                    s(:lasgn, :c),
-                                    s(:splat, s(:lasgn, :d)))),
-                                s(:call, nil, :p, s(:arglist, s(:lvar, :c)))))
+                                s(:call, nil, :a),
+                                s(:args, :b, :c, :"*d"),
+                                s(:call, nil, :p, s(:lvar, :c))))
 
   add_tests("iter_masgn_args_splat_no_name",
             "Ruby"         => "a { |b, c, *| p(c) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a],
-                               [:masgn,
-                                [:array, [:dasgn_curr, :b], [:dasgn_curr, :c]],
-                                [:splat], nil],
-                               [:fcall, :p, [:array, [:dvar, :c]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:masgn,
-                                  s(:array,
-                                    s(:lasgn, :b),
-                                    s(:lasgn, :c),
-                                    s(:splat))),
-                                s(:call, nil, :p, s(:arglist, s(:lvar, :c)))))
+                                s(:call, nil, :a),
+                                s(:args, :b, :c, :*),
+                                s(:call, nil, :p, s(:lvar, :c))))
 
   add_tests("iter_masgn_splat",
             "Ruby"         => "a { |*c| p(c) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a],
-                               [:masgn, nil, [:dasgn_curr, :c], nil],
-                               [:fcall, :p, [:array, [:dvar, :c]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:masgn, s(:array, s(:splat, s(:lasgn, :c)))),
-                                s(:call, nil, :p, s(:arglist, s(:lvar, :c)))))
+                                s(:call, nil, :a),
+                                s(:args, :"*c"),
+                                s(:call, nil, :p, s(:lvar, :c))))
 
   add_tests("iter_masgn_splat_no_name",
             "Ruby"         => "a { |*| p(c) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a],
-                               [:masgn, nil, [:splat], nil],
-                               [:fcall, :p, [:array, [:vcall, :c]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:masgn, s(:array, s(:splat))),
-                                s(:call, nil, :p,
-                                  s(:arglist, s(:call, nil, :c, s(:arglist))))))
+                                s(:call, nil, :a),
+                                s(:args, :*),
+                                s(:call, nil, :p, s(:call, nil, :c))))
 
   add_tests("iter_shadowed_var",
             "Ruby"         => "a do |x|\n  b do |x|\n    puts x\n  end\nend",
-            "RawParseTree" => [:iter,
-                               [:fcall, :a],
-                               [:dasgn_curr, :x],
-                               [:iter,
-                                [:fcall, :b],
-                                [:dasgn, :x],
-                                [:fcall, :puts, [:array, [:dvar, :x]]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:lasgn, :x),
+                                s(:call, nil, :a),
+                                s(:args, :x),
                                 s(:iter,
-                                  s(:call, nil, :b, s(:arglist)),
-                                  s(:lasgn, :x),
-                                  s(:call, nil, :puts,
-                                    s(:arglist, s(:lvar, :x))))),
+                                  s(:call, nil, :b),
+                                  s(:args, :x),
+                                  s(:call, nil, :puts, s(:lvar, :x)))),
             "Ruby2Ruby"    => "a { |x| b { |x| puts(x) } }")
 
   add_tests("iter_upto",
             "Ruby"         => "1.upto(3) { |n| puts(n.to_s) }",
-            "RawParseTree" => [:iter,
-                               [:call, [:lit, 1], :upto, [:array, [:lit, 3]]],
-                               [:dasgn_curr, :n],
-                               [:fcall, :puts,
-                                [:array, [:call, [:dvar, :n], :to_s]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, s(:lit, 1), :upto,
-                                  s(:arglist, s(:lit, 3))),
-                                s(:lasgn, :n),
+                                s(:call, s(:lit, 1), :upto, s(:lit, 3)),
+                                s(:args, :n),
                                 s(:call, nil, :puts,
-                                  s(:arglist,
-                                    s(:call, s(:lvar, :n), :to_s,
-                                      s(:arglist))))))
+                                  s(:call, s(:lvar, :n), :to_s))))
 
   add_tests("iter_while",
             "Ruby"         => "argl = 10\nwhile (argl >= 1) do\n  puts(\"hello\")\n  argl = (argl - 1)\nend\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :argl, [:lit, 10]],
-                               [:while,
-                                [:call, [:lvar, :argl], :">=",
-                                 [:array, [:lit, 1]]],
-                                [:block,
-                                 [:fcall, :puts, [:array, [:str, "hello"]]],
-                                 [:lasgn,
-                                  :argl,
-                                  [:call, [:lvar, :argl],
-                                   :"-", [:array, [:lit, 1]]]]], true]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :argl, s(:lit, 10)),
                                 s(:while,
-                                  s(:call, s(:lvar, :argl), :">=",
-                                    s(:arglist, s(:lit, 1))),
+                                  s(:call, s(:lvar, :argl), :">=", s(:lit, 1)),
                                   s(:block,
-                                    s(:call, nil, :puts,
-                                      s(:arglist, s(:str, "hello"))),
+                                    s(:call, nil, :puts, s(:str, "hello")),
                                     s(:lasgn,
                                       :argl,
                                       s(:call, s(:lvar, :argl), :"-",
-                                        s(:arglist, s(:lit, 1))))), true)))
+                                        s(:lit, 1)))),
+                                  true)))
 
   add_tests("ivar",
             "Ruby"         => [Examples, :reader],
-            "RawParseTree" => [:defn, :reader, [:ivar, :@reader]],
-            "ParseTree"    => s(:defn, :reader, # FIX should be unified?
-                                s(:args),
+            "ParseTree"    => s(:defn, :reader, s(:args),
                                 s(:ivar, :@reader)),
             "Ruby2Ruby"    => "attr_reader :reader")
 
+  add_tests("lambda_args_anon_star",
+            "Ruby"         => "lambda { |*| nil }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :*),
+                                s(:nil)))
+
+  add_tests("lambda_args_anon_star_block",
+            "Ruby"         => "lambda { |*, &block| block }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :*, :"&block"),
+                                s(:lvar, :block)))
+
+  add_tests("lambda_args_block",
+            "Ruby"         => "lambda { |&block| block }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :"&block"),
+                                s(:lvar, :block)))
+
+  add_tests("lambda_args_norm_anon_star",
+            "Ruby"         => "lambda { |a, *| a }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :a, :*),
+                                s(:lvar, :a)))
+
+  add_tests("lambda_args_norm_anon_star_block",
+            "Ruby"         => "lambda { |a, *, &block| block }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :a, :*, :"&block"),
+                                s(:lvar, :block)))
+
+  add_tests("lambda_args_norm_block",
+            "Ruby"         => "lambda { |a, &block| block }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :a, :"&block"),
+                                s(:lvar, :block)))
+
+  add_tests("lambda_args_norm_comma",
+            "Ruby"         => "lambda { |a,| a }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :a),
+                                s(:lvar, :a)),
+            "Ruby2Ruby"    => "lambda { |a| a }")
+
+  add_tests("lambda_args_norm_comma2",
+            "Ruby"         => "lambda { |a,b,| a }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :a, :b),
+                                s(:lvar, :a)),
+            "Ruby2Ruby"    => "lambda { |a, b| a }")
+
+  add_tests("lambda_args_norm_star",
+            "Ruby"         => "lambda { |a, *star| star }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :a, :"*star"),
+                                s(:lvar, :star)))
+
+  add_tests("lambda_args_norm_star_block",
+            "Ruby"         => "lambda { |a, *star, &block| block }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :a, :"*star", :"&block"),
+                                s(:lvar, :block)))
+
+  add_tests("lambda_args_star",
+            "Ruby"         => "lambda { |*star| star }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :"*star"),
+                                s(:lvar, :star)))
+
+  add_tests("lambda_args_star_block",
+            "Ruby"         => "lambda { |*star, &block| block }",
+            "ParseTree"    => s(:iter,
+                                s(:call, nil, :lambda),
+                                s(:args, :"*star", :"&block"),
+                                s(:lvar, :block)))
+
   add_tests("lasgn_array",
             "Ruby"         => "var = [\"foo\", \"bar\"]",
-            "RawParseTree" => [:lasgn, :var,
-                               [:array,
-                                [:str, "foo"],
-                                [:str, "bar"]]],
             "ParseTree"    => s(:lasgn, :var,
                                 s(:array,
                                   s(:str, "foo"),
@@ -2803,143 +2114,92 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("lasgn_call",
             "Ruby"         => "c = (2 + 3)",
-            "RawParseTree" => [:lasgn, :c, [:call, [:lit, 2], :+,
-                                            [:array, [:lit, 3]]]],
-            "ParseTree"    => s(:lasgn, :c, s(:call, s(:lit, 2), :+,
-                                              s(:arglist, s(:lit, 3)))))
+            "ParseTree"    => s(:lasgn, :c,
+                                s(:call, s(:lit, 2), :+, s(:lit, 3))))
 
   add_tests("lit_bool_false",
             "Ruby"         => "false",
-            "RawParseTree" => [:false],
             "ParseTree"    => s(:false))
 
   add_tests("lit_bool_true",
             "Ruby"         => "true",
-            "RawParseTree" => [:true],
             "ParseTree"    => s(:true))
 
   add_tests("lit_float",
             "Ruby"         => "1.1",
-            "RawParseTree" => [:lit, 1.1],
             "ParseTree"    => s(:lit, 1.1))
 
   add_tests("lit_long",
             "Ruby"         => "1",
-            "RawParseTree" => [:lit, 1],
             "ParseTree"    => s(:lit, 1))
 
   add_tests("lit_long_negative",
             "Ruby"         => "-1",
-            "RawParseTree" => [:lit, -1],
             "ParseTree"    => s(:lit, -1))
 
   add_tests("lit_range2",
             "Ruby"         => "(1..10)",
-            "RawParseTree" => [:lit, 1..10],
             "ParseTree"    => s(:lit, 1..10))
 
   add_tests("lit_range3",
             "Ruby"         => "(1...10)",
-            "RawParseTree" => [:lit, 1...10],
             "ParseTree"    => s(:lit, 1...10))
 
-# TODO: discuss and decide which lit we like
-#   it "converts a regexp to an sexp" do
-#     "/blah/".to_sexp.should == s(:regex, "blah", 0)
-#     "/blah/i".to_sexp.should == s(:regex, "blah", 1)
-#     "/blah/u".to_sexp.should == s(:regex, "blah", 64)
-#   end
-
   add_tests("lit_regexp",
             "Ruby"         => "/x/",
-            "RawParseTree" => [:lit, /x/],
             "ParseTree"    => s(:lit, /x/))
 
   add_tests("lit_regexp_i_wwtt",
             "Ruby"         => 'str.split(//i)',
-            "RawParseTree" => [:call, [:vcall, :str], :split,
-                               [:array, [:lit, //i]]],
-            "ParseTree"    => s(:call, s(:call, nil, :str, s(:arglist)), :split,
-                                s(:arglist, s(:lit, //i))))
+            "ParseTree"    => s(:call,
+                                s(:call, nil, :str),
+                                :split,
+                                s(:lit, //i)))
 
   add_tests("lit_regexp_n",
             "Ruby"         => "/x/n", # HACK differs on 1.9 - this is easiest
-            "RawParseTree" => [:lit, /x/n],
             "ParseTree"    => s(:lit, /x/n),
             "Ruby2Ruby"    => /x/n.inspect)
 
   add_tests("lit_regexp_once",
             "Ruby"         => "/x/o",
-            "RawParseTree" => [:lit, /x/],
             "ParseTree"    => s(:lit, /x/),
             "Ruby2Ruby"    => "/x/")
 
   add_tests("lit_sym",
             "Ruby"         => ":x",
-            "RawParseTree" => [:lit, :x],
             "ParseTree"    => s(:lit, :x))
 
   add_tests("lit_sym_splat",
             "Ruby"         => ":\"*args\"",
-            "RawParseTree" => [:lit, :"*args"],
             "ParseTree"    => s(:lit, :"*args"))
 
   add_tests("lvar_def_boundary",
             "Ruby"         => "b = 42\ndef a\n  c do\n    begin\n      do_stuff\n    rescue RuntimeError => b\n      puts(b)\n    end\n  end\nend\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :b, [:lit, 42]],
-                               [:defn, :a,
-                                [:scope,
-                                 [:block,
-                                  [:args],
-                                  [:iter,
-                                   [:fcall, :c],
-                                   nil,
-                                   [:rescue,
-                                    [:vcall, :do_stuff],
-                                    [:resbody,
-                                     [:array, [:const, :RuntimeError]],
-                                     [:block,
-                                      [:dasgn_curr, :b, [:gvar, :$!]],
-                                      [:fcall, :puts,
-                                       [:array, [:dvar, :b]]]]]]]]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :b, s(:lit, 42)),
-                                s(:defn, :a,
-                                  s(:args),
-                                  s(:scope,
-                                    s(:block,
-                                      s(:iter,
-                                        s(:call, nil, :c, s(:arglist)),
-                                        nil,
-                                        s(:rescue,
-                                          s(:call, nil, :do_stuff, s(:arglist)),
-                                          s(:resbody,
-                                            s(:array,
-                                              s(:const, :RuntimeError),
-                                              s(:lasgn, :b, s(:gvar, :$!))),
-                                            s(:call, nil, :puts,
-                                              s(:arglist,
-                                                s(:lvar, :b)))))))))))
+                                s(:defn, :a, s(:args),
+                                  s(:iter,
+                                    s(:call, nil, :c),
+                                    s(:args),
+                                    s(:rescue,
+                                      s(:call, nil, :do_stuff),
+                                      s(:resbody,
+                                        s(:array,
+                                          s(:const, :RuntimeError),
+                                          s(:lasgn, :b, s(:gvar, :$!))),
+                                        s(:call, nil, :puts,
+                                          s(:lvar, :b))))))))
 
   add_tests("masgn",
             "Ruby"         => "a, b = c, d",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]], nil,
-                               [:array,  [:vcall, :c], [:vcall, :d]]],
             "ParseTree"    => s(:masgn,
                                 s(:array, s(:lasgn, :a), s(:lasgn, :b)),
-                                s(:array, s(:call, nil, :c, s(:arglist)),
-                                  s(:call, nil, :d, s(:arglist)))))
+                                s(:array, s(:call, nil, :c),
+                                  s(:call, nil, :d))))
 
   add_tests("masgn_argscat",
             "Ruby"         => "a, b, *c = 1, 2, *[3, 4]",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]],
-                               [:lasgn, :c],
-                               [:argscat,
-                                [:array, [:lit, 1], [:lit, 2]],
-                                [:array, [:lit, 3], [:lit, 4]]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:lasgn, :a),
@@ -2952,59 +2212,32 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("masgn_attrasgn",
             "Ruby"         => "a, b.c = d, e",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a],
-                                [:attrasgn, [:vcall, :b], :c=]], nil,
-                               [:array, [:vcall, :d], [:vcall, :e]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:lasgn, :a),
                                   s(:attrasgn,
-                                    s(:call, nil, :b, s(:arglist)),
-                                    :c=, s(:arglist))),
+                                    s(:call, nil, :b),
+                                    :c=)),
                                 s(:array,
-                                  s(:call, nil, :d, s(:arglist)),
-                                  s(:call, nil, :e, s(:arglist)))))
+                                  s(:call, nil, :d),
+                                  s(:call, nil, :e))))
 
   add_tests("masgn_attrasgn_array_rhs",
             "Ruby"         => "a.b, a.c, _ = q",
-            "RawParseTree" => [:masgn,
-                                [:array,
-                                  [:attrasgn, [:vcall, :a], :b=],
-                                  [:attrasgn, [:vcall, :a], :c=],
-                                  [:lasgn, :_]], nil,
-                                [:to_ary, [:vcall, :q]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:attrasgn,
-                                    s(:call, nil, :a, s(:arglist)),
-                                    :b=, s(:arglist)),
+                                    s(:call, nil, :a),
+                                    :b=),
                                   s(:attrasgn,
-                                    s(:call, nil, :a, s(:arglist)),
-                                    :c=, s(:arglist)),
+                                    s(:call, nil, :a),
+                                    :c=),
                                   s(:lasgn, :_)),
                                 s(:to_ary,
-                                  s(:call, nil, :q, s(:arglist)))))
+                                  s(:call, nil, :q))))
 
   add_tests("masgn_attrasgn_idx",
             "Ruby"         => "a, i, j = [], 1, 2\na[i], a[j] = a[j], a[i]\n",
-            "RawParseTree" => [:block,
-                               [:masgn,
-                                [:array,
-                                 [:lasgn, :a], [:lasgn, :i], [:lasgn, :j]], nil,
-                                [:array, [:zarray], [:lit, 1], [:lit, 2]]],
-                               [:masgn,
-                                [:array,
-                                 [:attrasgn,
-                                  [:lvar, :a], :[]=, [:array, [:lvar, :i]]],
-                                 [:attrasgn,
-                                  [:lvar, :a], :[]=, [:array, [:lvar, :j]]]],
-                                nil,
-                                [:array,
-                                 [:call, [:lvar, :a], :[],
-                                  [:array, [:lvar, :j]]],
-                                 [:call, [:lvar, :a], :[],
-                                  [:array, [:lvar, :i]]]]]],
             "ParseTree"    => s(:block,
                                 s(:masgn,
                                   s(:array,
@@ -3013,55 +2246,33 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
                                   s(:array, s(:array), s(:lit, 1), s(:lit, 2))),
                                 s(:masgn,
                                   s(:array,
-                                    s(:attrasgn, s(:lvar, :a), :[]=,
-                                      s(:arglist, s(:lvar, :i))),
-                                    s(:attrasgn, s(:lvar, :a), :[]=,
-                                      s(:arglist, s(:lvar, :j)))),
+                                    s(:attrasgn,
+                                      s(:lvar, :a), :[]=, s(:lvar, :i)),
+                                    s(:attrasgn,
+                                      s(:lvar, :a), :[]=, s(:lvar, :j))),
                                   s(:array,
-                                    s(:call, s(:lvar, :a), :[],
-                                      s(:arglist, s(:lvar, :j))),
-                                    s(:call, s(:lvar, :a), :[],
-                                      s(:arglist, s(:lvar, :i)))))))
+                                    s(:call,
+                                      s(:lvar, :a), :[], s(:lvar, :j)),
+                                    s(:call,
+                                      s(:lvar, :a), :[], s(:lvar, :i))))))
 
   add_tests("masgn_cdecl",
             "Ruby"         => "A, B, C = 1, 2, 3",
-            "RawParseTree" => [:masgn,
-                               [:array, [:cdecl, :A], [:cdecl, :B],
-                                [:cdecl, :C]], nil,
-                               [:array, [:lit, 1], [:lit, 2], [:lit, 3]]],
             "ParseTree"    => s(:masgn,
                                s(:array, s(:cdecl, :A), s(:cdecl, :B),
                                 s(:cdecl, :C)),
                                s(:array, s(:lit, 1), s(:lit, 2), s(:lit, 3))))
 
-
   add_tests("masgn_iasgn",
             "Ruby"         => "a, @b = c, d",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:iasgn, :"@b"]], nil,
-                               [:array,  [:vcall, :c], [:vcall, :d]]],
             "ParseTree"    => s(:masgn,
                                 s(:array, s(:lasgn, :a), s(:iasgn, :"@b")),
                                 s(:array,
-                                  s(:call, nil, :c, s(:arglist)),
-                                  s(:call, nil, :d, s(:arglist)))))
+                                  s(:call, nil, :c),
+                                  s(:call, nil, :d))))
 
   add_tests("masgn_masgn",
             "Ruby"         => "a, (b, c) = [1, [2, 3]]",
-            "RawParseTree" => [:masgn,
-                               [:array,
-                                [:lasgn, :a],
-                                [:masgn,
-                                 [:array,
-                                  [:lasgn, :b],
-                                  [:lasgn, :c]], nil, nil]],
-                               nil,
-                               [:to_ary,
-                                [:array,
-                                 [:lit, 1],
-                                 [:array,
-                                  [:lit, 2],
-                                  [:lit, 3]]]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:lasgn, :a),
@@ -3078,96 +2289,63 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("masgn_splat_lhs",
             "Ruby"         => "a, b, *c = d, e, f, g",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]],
-                               [:lasgn, :c],
-                               [:array,
-                                [:vcall, :d], [:vcall, :e],
-                                [:vcall, :f], [:vcall, :g]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:lasgn, :a),
                                   s(:lasgn, :b),
                                   s(:splat, s(:lasgn, :c))),
                                 s(:array,
-                                  s(:call, nil, :d, s(:arglist)),
-                                  s(:call, nil, :e, s(:arglist)),
-                                  s(:call, nil, :f, s(:arglist)),
-                                  s(:call, nil, :g, s(:arglist)))))
+                                  s(:call, nil, :d),
+                                  s(:call, nil, :e),
+                                  s(:call, nil, :f),
+                                  s(:call, nil, :g))))
+
+  add_tests("masgn_splat_no_name_to_ary",
+            "Ruby"         => "a, b, * = c",
+            "ParseTree"    => s(:masgn,
+                                s(:array,
+                                  s(:lasgn, :a),
+                                  s(:lasgn, :b),
+                                  s(:splat)),
+                                s(:to_ary, s(:call, nil, :c))))
+
+  add_tests("masgn_splat_no_name_trailing",
+            "Ruby"         => "a, b, = c",
+            "ParseTree"    => s(:masgn,
+                                s(:array, s(:lasgn, :a), s(:lasgn, :b)),
+                                s(:to_ary, s(:call, nil, :c))),
+            "Ruby2Ruby"    => "a, b = c") # TODO: check this is right
 
   add_tests("masgn_splat_rhs_1",
             "Ruby"         => "a, b = *c",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]],
-                               nil,
-                               [:splat, [:vcall, :c]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:lasgn, :a),
                                   s(:lasgn, :b)),
-                                s(:splat, s(:call, nil, :c, s(:arglist)))))
+                                s(:splat, s(:call, nil, :c))))
 
   add_tests("masgn_splat_rhs_n",
             "Ruby"         => "a, b = c, d, *e",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]],
-                               nil,
-                               [:argscat,
-                                [:array, [:vcall, :c], [:vcall, :d]],
-                                [:vcall, :e]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:lasgn, :a),
                                   s(:lasgn, :b)),
                                 s(:array,
-                                  s(:call, nil, :c, s(:arglist)),
-                                  s(:call, nil, :d, s(:arglist)),
-                                  s(:splat, s(:call, nil, :e, s(:arglist))))))
-
-  add_tests("masgn_splat_no_name_to_ary",
-            "Ruby"         => "a, b, * = c",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]],
-                               [:splat],
-                               [:to_ary, [:vcall, :c]]],
-            "ParseTree"    => s(:masgn,
-                                s(:array,
-                                  s(:lasgn, :a),
-                                  s(:lasgn, :b),
-                                  s(:splat)),
-                                s(:to_ary, s(:call, nil, :c, s(:arglist)))))
-
-  add_tests("masgn_splat_no_name_trailing",
-            "Ruby"         => "a, b, = c",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]], nil,
-                               [:to_ary, [:vcall, :c]]],
-            "ParseTree"    => s(:masgn,
-                                s(:array, s(:lasgn, :a), s(:lasgn, :b)),
-                                s(:to_ary, s(:call, nil, :c, s(:arglist)))),
-            "Ruby2Ruby"    => "a, b = c") # TODO: check this is right
+                                  s(:call, nil, :c),
+                                  s(:call, nil, :d),
+                                  s(:splat, s(:call, nil, :e)))))
 
   add_tests("masgn_splat_to_ary",
             "Ruby"         => "a, b, *c = d",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]],
-                               [:lasgn, :c],
-                               [:to_ary, [:vcall, :d]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:lasgn, :a),
                                   s(:lasgn, :b),
                                   s(:splat, s(:lasgn, :c))),
-                                s(:to_ary, s(:call, nil, :d, s(:arglist)))))
+                                s(:to_ary, s(:call, nil, :d))))
 
   add_tests("masgn_splat_to_ary2",
             "Ruby"         => "a, b, *c = d.e(\"f\")",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]],
-                               [:lasgn, :c],
-                               [:to_ary,
-                                [:call, [:vcall, :d], :e,
-                                 [:array, [:str, 'f']]]]],
             "ParseTree"    => s(:masgn,
                                 s(:array,
                                   s(:lasgn, :a),
@@ -3175,93 +2353,63 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
                                   s(:splat, s(:lasgn, :c))),
                                 s(:to_ary,
                                   s(:call,
-                                    s(:call, nil, :d, s(:arglist)),
+                                    s(:call, nil, :d),
                                     :e,
-                                    s(:arglist, s(:str, 'f'))))))
+                                    s(:str, 'f')))))
 
   add_tests("match",
             "Ruby"         => "1 if /x/",
-            "RawParseTree" => [:if, [:match, [:lit, /x/]], [:lit, 1], nil],
             "ParseTree"    => s(:if, s(:match, s(:lit, /x/)), s(:lit, 1), nil))
 
   add_tests("match2",
             "Ruby"         => "/x/ =~ \"blah\"",
-            "RawParseTree" => [:match2, [:lit, /x/], [:str, "blah"]],
             "ParseTree"    => s(:match2, s(:lit, /x/), s(:str, "blah")))
 
   add_tests("match3",
             "Ruby"         => "\"blah\" =~ /x/",
-            "RawParseTree" => [:match3, [:lit, /x/], [:str, "blah"]],
             "ParseTree"    => s(:match3, s(:lit, /x/), s(:str, "blah")))
 
   add_tests("module",
             "Ruby"         => "module X\n  def y\n    # do nothing\n  end\nend",
-            "RawParseTree" => [:module, :X,
-                               [:scope,
-                                [:defn, :y,
-                                 [:scope, [:block, [:args], [:nil]]]]]],
             "ParseTree"    => s(:module, :X,
-                                s(:scope,
-                                  s(:defn, :y,
-                                    s(:args),
-                                    s(:scope, s(:block, s(:nil)))))))
+                                s(:defn, :y, s(:args), s(:nil))))
+
+  add_tests("module2",
+            "Ruby"         => "module X\n  def y\n    # do nothing\n  end\n  \n  def z\n    # do nothing\n  end\nend",
+            "ParseTree"    => s(:module, :X,
+                                s(:defn, :y, s(:args), s(:nil)),
+                                s(:defn, :z, s(:args), s(:nil))))
 
   add_tests("module_scoped",
             "Ruby"         => "module X::Y\n  c\nend",
-            "RawParseTree" => [:module, [:colon2, [:const, :X], :Y],
-                               [:scope, [:vcall, :c]]],
             "ParseTree"    => s(:module, s(:colon2, s(:const, :X), :Y),
-                                s(:scope, s(:call, nil, :c, s(:arglist)))))
+                                s(:call, nil, :c)))
 
   add_tests("module_scoped3",
             "Ruby"         => "module ::Y\n  c\nend",
-            "RawParseTree" => [:module, [:colon3, :Y], [:scope, [:vcall, :c]]],
-            "ParseTree"    => s(:module,
-                                s(:colon3, :Y),
-                                s(:scope, s(:call, nil, :c, s(:arglist)))))
+            "ParseTree"    => s(:module, s(:colon3, :Y),
+                                s(:call, nil, :c)))
 
   add_tests("next",
             "Ruby"         => "loop { next if false }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :loop],
-                               nil,
-                               [:if, [:false], [:next], nil]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :loop, s(:arglist)),
-                                nil,
+                                s(:call, nil, :loop),
+                                s(:args),
                                 s(:if, s(:false), s(:next), nil)))
 
   add_tests("next_arg",
             "Ruby"         => "loop { next 42 if false }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :loop],
-                               nil,
-                               [:if, [:false], [:next, [:lit, 42]], nil]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :loop, s(:arglist)),
-                                nil,
+                                s(:call, nil, :loop),
+                                s(:args),
                                 s(:if, s(:false), s(:next, s(:lit, 42)), nil)))
 
-  add_tests("not",
-            "Ruby"         => "(not true)",
-            "RawParseTree" => [:not, [:true]],
-            "ParseTree"    => s(:not, s(:true)))
-
   add_tests("nth_ref",
             "Ruby"         => "$1",
-            "RawParseTree" => [:nth_ref, 1],
             "ParseTree"    => s(:nth_ref, 1))
 
   add_tests("op_asgn1",
             "Ruby"         => "b = []\nb[1] ||= 10\nb[2] &&= 11\nb[3] += 12\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :b, [:zarray]],
-                               [:op_asgn1, [:lvar, :b],
-                                [:array, [:lit, 1]], :"||", [:lit, 10]],
-                               [:op_asgn1, [:lvar, :b],
-                                [:array, [:lit, 2]], :"&&", [:lit, 11]],
-                               [:op_asgn1, [:lvar, :b],
-                                [:array, [:lit, 3]], :+, [:lit, 12]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :b, s(:array)),
                                 s(:op_asgn1, s(:lvar, :b),
@@ -3273,14 +2421,6 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("op_asgn1_ivar",
             "Ruby"         => "@b = []\n at b[1] ||= 10\n at b[2] &&= 11\n at b[3] += 12\n",
-            "RawParseTree" => [:block,
-                               [:iasgn, :@b, [:zarray]],
-                               [:op_asgn1, [:ivar, :@b],
-                                [:array, [:lit, 1]], :"||", [:lit, 10]],
-                               [:op_asgn1, [:ivar, :@b],
-                                [:array, [:lit, 2]], :"&&", [:lit, 11]],
-                               [:op_asgn1, [:ivar, :@b],
-                                [:array, [:lit, 3]], :+, [:lit, 12]]],
             "ParseTree"    => s(:block,
                                 s(:iasgn, :@b, s(:array)),
                                 s(:op_asgn1, s(:ivar, :@b),
@@ -3292,30 +2432,14 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("op_asgn2",
             "Ruby"         => "s = Struct.new(:var)\nc = s.new(nil)\nc.var ||= 20\nc.var &&= 21\nc.var += 22\nc.d.e.f ||= 42\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :s,
-                                [:call, [:const, :Struct],
-                                 :new, [:array, [:lit, :var]]]],
-                               [:lasgn, :c,
-                                [:call, [:lvar, :s], :new, [:array, [:nil]]]],
-
-                               [:op_asgn2, [:lvar, :c], :var=, :"||",
-                                [:lit, 20]],
-                               [:op_asgn2, [:lvar, :c], :var=, :"&&",
-                                [:lit, 21]],
-                               [:op_asgn2, [:lvar, :c], :var=, :+, [:lit, 22]],
-
-                               [:op_asgn2,
-                                [:call,
-                                 [:call, [:lvar, :c], :d], :e], :f=, :"||",
-                                [:lit, 42]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :s,
-                                  s(:call, s(:const, :Struct),
-                                    :new, s(:arglist, s(:lit, :var)))),
+                                  s(:call,
+                                    s(:const, :Struct),
+                                    :new,
+                                    s(:lit, :var))),
                                 s(:lasgn, :c,
-                                  s(:call, s(:lvar, :s),
-                                    :new, s(:arglist, s(:nil)))),
+                                  s(:call, s(:lvar, :s), :new, s(:nil))),
                                 s(:op_asgn2, s(:lvar, :c),
                                   :var=, :"||", s(:lit, 20)),
                                 s(:op_asgn2, s(:lvar, :c),
@@ -3324,23 +2448,17 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
                                   :var=, :+, s(:lit, 22)),
                                 s(:op_asgn2,
                                   s(:call,
-                                    s(:call, s(:lvar, :c), :d, s(:arglist)),
-                                    :e, s(:arglist)),
+                                    s(:call, s(:lvar, :c), :d),
+                                    :e),
                                   :f=, :"||", s(:lit, 42))))
 
   add_tests("op_asgn2_self",
             "Ruby"         => "self.Bag ||= Bag.new",
-            "RawParseTree" => [:op_asgn2, [:self], :"Bag=", :"||",
-                               [:call, [:const, :Bag], :new]],
             "ParseTree"    => s(:op_asgn2, s(:self), :"Bag=", :"||",
-                                s(:call, s(:const, :Bag), :new, s(:arglist))))
+                                s(:call, s(:const, :Bag), :new)))
 
   add_tests("op_asgn_and",
             "Ruby"         => "a = 0\na &&= 2\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :a, [:lit, 0]],
-                               [:op_asgn_and,
-                                [:lvar, :a], [:lasgn, :a, [:lit, 2]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :a, s(:lit, 0)),
                                 s(:op_asgn_and,
@@ -3348,37 +2466,19 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("op_asgn_and_ivar2",
             "Ruby"         => "@fetcher &&= new(Gem.configuration[:http_proxy])",
-            "RawParseTree" => [:op_asgn_and,
-                               [:ivar, :@fetcher],
-                               [:iasgn,
-                                :@fetcher,
-                                [:fcall,
-                                 :new,
-                                 [:array,
-                                  [:call,
-                                   [:call, [:const, :Gem], :configuration],
-                                   :[],
-                                   [:array, [:lit, :http_proxy]]]]]]],
             "ParseTree"    => s(:op_asgn_and,
                                 s(:ivar, :@fetcher),
                                 s(:iasgn,
                                   :@fetcher,
                                   s(:call, nil,
                                     :new,
-                                    s(:arglist,
-                                      s(:call,
-                                        s(:call, s(:const, :Gem),
-                                          :configuration,
-                                          s(:arglist)),
-                                        :[],
-                                        s(:arglist, s(:lit, :http_proxy))))))))
+                                    s(:call,
+                                      s(:call, s(:const, :Gem), :configuration),
+                                      :[],
+                                      s(:lit, :http_proxy))))))
 
   add_tests("op_asgn_or",
             "Ruby"         => "a = 0\na ||= 1\n",
-            "RawParseTree" => [:block,
-                               [:lasgn, :a, [:lit, 0]],
-                               [:op_asgn_or,
-                                [:lvar, :a], [:lasgn, :a, [:lit, 1]]]],
             "ParseTree"    => s(:block,
                                 s(:lasgn, :a, s(:lit, 0)),
                                 s(:op_asgn_or,
@@ -3386,273 +2486,161 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("op_asgn_or_block",
             "Ruby"         => "a ||= begin\n        b\n      rescue\n        c\n      end",
-            "RawParseTree" => [:op_asgn_or,
-                               [:lvar, :a],
-                               [:lasgn, :a,
-                                [:rescue,
-                                 [:vcall, :b],
-                                 [:resbody, nil, [:vcall, :c]]]]],
             "ParseTree"    => s(:op_asgn_or,
                                 s(:lvar, :a),
                                 s(:lasgn, :a,
                                   s(:rescue,
-                                    s(:call, nil, :b, s(:arglist)),
+                                    s(:call, nil, :b),
                                     s(:resbody, s(:array),
-                                      s(:call, nil, :c, s(:arglist)))))),
+                                      s(:call, nil, :c))))),
             "Ruby2Ruby"    => "a ||= b rescue c")
 
   add_tests("op_asgn_or_ivar",
-            "Ruby"         => "@v ||= {  }",
-            "RawParseTree" => [:op_asgn_or,
-                               [:ivar, :@v],
-                               [:iasgn, :@v, [:hash]]],
+            "Ruby"         => "@v ||= {}",
             "ParseTree"    => s(:op_asgn_or,
                                 s(:ivar, :@v),
                                 s(:iasgn, :@v, s(:hash))))
 
   add_tests("op_asgn_or_ivar2",
             "Ruby"         => "@fetcher ||= new(Gem.configuration[:http_proxy])",
-            "RawParseTree" => [:op_asgn_or,
-                               [:ivar, :@fetcher],
-                               [:iasgn,
-                                :@fetcher,
-                                [:fcall,
-                                 :new,
-                                 [:array,
-                                  [:call,
-                                   [:call, [:const, :Gem], :configuration],
-                                   :[],
-                                   [:array, [:lit, :http_proxy]]]]]]],
             "ParseTree"    => s(:op_asgn_or,
                                 s(:ivar, :@fetcher),
                                 s(:iasgn,
                                   :@fetcher,
                                   s(:call, nil, :new,
-                                    s(:arglist,
-                                      s(:call,
-                                        s(:call, s(:const, :Gem),
-                                          :configuration,
-                                          s(:arglist)),
-                                        :[],
-                                        s(:arglist, s(:lit, :http_proxy))))))))
+                                    s(:call,
+                                      s(:call, s(:const, :Gem), :configuration),
+                                      :[],
+                                      s(:lit, :http_proxy))))))
 
   add_tests("or",
             "Ruby"         => "(a or b)",
-            "RawParseTree" => [:or, [:vcall, :a], [:vcall, :b]],
             "ParseTree"    => s(:or,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:call, nil, :b, s(:arglist))))
+                                s(:call, nil, :a),
+                                s(:call, nil, :b)))
 
   add_tests("or_big",
             "Ruby"         => "((a or b) or (c and d))",
-            "RawParseTree" => [:or,
-                               [:or,  [:vcall, :a], [:vcall, :b]],
-                               [:and, [:vcall, :c], [:vcall, :d]]],
             "ParseTree"    => s(:or,
                                 s(:or,
-                                  s(:call, nil, :a, s(:arglist)),
-                                  s(:call, nil, :b, s(:arglist))),
+                                  s(:call, nil, :a),
+                                  s(:call, nil, :b)),
                                 s(:and,
-                                  s(:call, nil, :c, s(:arglist)),
-                                  s(:call, nil, :d, s(:arglist)))))
+                                  s(:call, nil, :c),
+                                  s(:call, nil, :d))))
 
   add_tests("or_big2",
             "Ruby"         => "((a || b) || (c && d))",
-            "RawParseTree" => [:or,
-                               [:or,  [:vcall, :a], [:vcall, :b]],
-                               [:and, [:vcall, :c], [:vcall, :d]]],
             "ParseTree"    => s(:or,
                                 s(:or,
-                                  s(:call, nil, :a, s(:arglist)),
-                                  s(:call, nil, :b, s(:arglist))),
+                                  s(:call, nil, :a),
+                                  s(:call, nil, :b)),
                                 s(:and,
-                                  s(:call, nil, :c, s(:arglist)),
-                                  s(:call, nil, :d, s(:arglist)))),
+                                  s(:call, nil, :c),
+                                  s(:call, nil, :d))),
             "Ruby2Ruby"    => "((a or b) or (c and d))")
 
   add_tests("parse_floats_as_args",
             "Ruby"         => "def x(a=0.0,b=0.0)\n  a+b\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args, :a, :b,
-                                  [:block,
-                                   [:lasgn, :a, [:lit, 0.0]],
-                                   [:lasgn, :b, [:lit, 0.0]]]],
-                                 [:call, [:lvar, :a], :+,
-                                  [:array, [:lvar, :b]]]]]],
             "ParseTree"    => s(:defn, :x,
-                                s(:args, :a, :b,
-                                  s(:block,
-                                    s(:lasgn, :a, s(:lit, 0.0)),
-                                    s(:lasgn, :b, s(:lit, 0.0)))),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, s(:lvar, :a), :+,
-                                      s(:arglist, s(:lvar, :b)))))),
+                                s(:args,
+                                  s(:lasgn, :a, s(:lit, 0.0)),
+                                  s(:lasgn, :b, s(:lit, 0.0))),
+                                s(:call, s(:lvar, :a), :+, s(:lvar, :b))),
             "Ruby2Ruby"    => "def x(a = 0.0, b = 0.0)\n  (a + b)\nend")
 
   add_tests("postexe",
             "Ruby"         => "END { 1 }",
-            "RawParseTree" => [:iter, [:postexe], nil, [:lit, 1]],
-            "ParseTree"    => s(:iter, s(:postexe), nil, s(:lit, 1)))
+            "ParseTree"    => s(:iter, s(:postexe), s(:args), s(:lit, 1)))
 
   add_tests("proc_args_0",
             "Ruby"         => "proc { || (x + 1) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :proc],
-                               0,
-                               [:call, [:vcall, :x], :+, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :proc, s(:arglist)),
+                                s(:call, nil, :proc),
                                 0,
-                                s(:call,
-                                  s(:call, nil, :x, s(:arglist)),
-                                  :+,
-                                  s(:arglist, s(:lit, 1)))))
+                                s(:call, s(:call, nil, :x), :+, s(:lit, 1))))
 
   add_tests("proc_args_1",
             "Ruby"         => "proc { |x| (x + 1) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :proc],
-                               [:dasgn_curr, :x],
-                               [:call, [:dvar, :x], :+, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :proc, s(:arglist)),
-                                s(:lasgn, :x),
-                                s(:call, s(:lvar, :x), :+,
-                                  s(:arglist, s(:lit, 1)))))
+                                s(:call, nil, :proc),
+                                s(:args, :x),
+                                s(:call, s(:lvar, :x), :+, s(:lit, 1))))
 
   add_tests("proc_args_2",
             "Ruby"         => "proc { |x, y| (x + y) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :proc],
-                               [:masgn, [:array,
-                                         [:dasgn_curr, :x],
-                                         [:dasgn_curr, :y]], nil, nil],
-                               [:call, [:dvar, :x], :+, [:array, [:dvar, :y]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :proc, s(:arglist)),
-                                s(:masgn,
-                                  s(:array,
-                                    s(:lasgn, :x),
-                                    s(:lasgn, :y))),
-                                s(:call, s(:lvar, :x), :+,
-                                  s(:arglist, s(:lvar, :y)))))
+                                s(:call, nil, :proc),
+                                s(:args, :x, :y),
+                                s(:call, s(:lvar, :x), :+, s(:lvar, :y))))
 
   add_tests("proc_args_no",
             "Ruby"         => "proc { (x + 1) }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :proc],
-                               nil,
-                               [:call, [:vcall, :x], :+, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :proc, s(:arglist)),
-                                nil,
-                                s(:call, s(:call, nil, :x, s(:arglist)),
-                                  :+, s(:arglist, s(:lit, 1)))))
+                                s(:call, nil, :proc),
+                                s(:args),
+                                s(:call, s(:call, nil, :x), :+, s(:lit, 1))))
 
   add_tests("redo",
             "Ruby"         => "loop { redo if false }",
-            "RawParseTree" => [:iter,
-                               [:fcall, :loop], nil,
-                               [:if, [:false], [:redo], nil]],
             "ParseTree"    => s(:iter,
-                                s(:call, nil, :loop, s(:arglist)),
-                                nil,
+                                s(:call, nil, :loop),
+                                s(:args),
                                 s(:if, s(:false), s(:redo), nil)))
 
-  # TODO: need a resbody w/ multiple classes and a splat
-
-  add_tests("rescue",
+  add_tests("rescue",  # TODO: need a resbody w/ multiple classes and a splat
             "Ruby"         => "blah rescue nil",
-            "RawParseTree" => [:rescue,
-                               [:vcall, :blah], [:resbody, nil, [:nil]]],
             "ParseTree"    => s(:rescue,
-                                s(:call, nil, :blah, s(:arglist)),
+                                s(:call, nil, :blah),
                                 s(:resbody, s(:array), s(:nil))))
 
   add_tests("rescue_block_body",
             "Ruby"         => "begin\n  a\nrescue => e\n  c\n  d\nend",
-            "RawParseTree" => [:rescue,
-                               [:vcall, :a],
-                               [:resbody, nil,
-                                [:block,
-                                 [:lasgn, :e, [:gvar, :$!]],
-                                 [:vcall, :c],
-                                 [:vcall, :d]]]],
             "ParseTree"    => s(:rescue,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 s(:resbody,
                                   s(:array, s(:lasgn, :e, s(:gvar, :$!))),
-                                  s(:block,
-                                    s(:call, nil, :c, s(:arglist)),
-                                    s(:call, nil, :d, s(:arglist))))))
+                                  s(:call, nil, :c),
+                                  s(:call, nil, :d))))
 
   add_tests("rescue_block_body_3",
             "Ruby"         => "begin\n  a\nrescue A\n  b\nrescue B\n  c\nrescue C\n  d\nend",
-            "RawParseTree" => [:rescue,
-                               [:vcall, :a],
-                               [:resbody, [:array, [:const, :A]],
-                                [:vcall, :b],
-                                [:resbody, [:array, [:const, :B]],
-                                 [:vcall, :c],
-                                 [:resbody, [:array, [:const, :C]],
-                                  [:vcall, :d]]]]],
             "ParseTree"    => s(:rescue,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 s(:resbody, s(:array, s(:const, :A)),
-                                  s(:call, nil, :b, s(:arglist))),
+                                  s(:call, nil, :b)),
                                 s(:resbody, s(:array, s(:const, :B)),
-                                  s(:call, nil, :c, s(:arglist))),
+                                  s(:call, nil, :c)),
                                 s(:resbody, s(:array, s(:const, :C)),
-                                  s(:call, nil, :d, s(:arglist)))))
+                                  s(:call, nil, :d))))
 
   add_tests("rescue_block_body_ivar",
             "Ruby"         => "begin\n  a\nrescue => @e\n  c\n  d\nend",
-            "RawParseTree" => [:rescue,
-                               [:vcall, :a],
-                               [:resbody, nil,
-                                [:block,
-                                 [:iasgn, :@e, [:gvar, :$!]],
-                                 [:vcall, :c],
-                                 [:vcall, :d]]]],
             "ParseTree"    => s(:rescue,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 s(:resbody,
                                   s(:array, s(:iasgn, :@e, s(:gvar, :$!))),
-                                  s(:block,
-                                    s(:call, nil, :c, s(:arglist)),
-                                    s(:call, nil, :d, s(:arglist))))))
+                                  s(:call, nil, :c),
+                                  s(:call, nil, :d))))
 
   add_tests("rescue_block_nada",
             "Ruby"         => "begin\n  blah\nrescue\n  # do nothing\nend",
-            "RawParseTree" => [:rescue, [:vcall, :blah], [:resbody, nil]],
             "ParseTree"    => s(:rescue,
-                                s(:call, nil, :blah, s(:arglist)),
+                                s(:call, nil, :blah),
                                 s(:resbody, s(:array), nil)))
 
   add_tests("rescue_exceptions",
             "Ruby"         => "begin\n  blah\nrescue RuntimeError => r\n  # do nothing\nend",
-            "RawParseTree" => [:rescue,
-                               [:vcall, :blah],
-                               [:resbody,
-                                [:array, [:const, :RuntimeError]],
-                                [:lasgn, :r, [:gvar, :$!]]]],
             "ParseTree"    => s(:rescue,
-                                s(:call, nil, :blah, s(:arglist)),
+                                s(:call, nil, :blah),
                                 s(:resbody,
                                   s(:array,
                                     s(:const, :RuntimeError),
                                     s(:lasgn, :r, s(:gvar, :$!))),
                                   nil)))
 
-
   add_tests("rescue_iasgn_var_empty",
             "Ruby"         => "begin\n  1\nrescue => @e\n  # do nothing\nend",
-            "RawParseTree" => [:rescue,
-                               [:lit, 1],
-                               [:resbody, nil, [:iasgn, :@e, [:gvar, :$!]]]],
             "ParseTree"    => s(:rescue,
                                 s(:lit, 1),
                                 s(:resbody,
@@ -3661,9 +2649,6 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("rescue_lasgn",
             "Ruby"         => "begin\n  1\nrescue\n  var = 2\nend",
-            "RawParseTree" => [:rescue,
-                               [:lit, 1],
-                               [:resbody, nil, [:lasgn, :var, [:lit, 2]]]],
             "ParseTree"    => s(:rescue,
                                 s(:lit, 1),
                                 s(:resbody,
@@ -3673,12 +2658,6 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("rescue_lasgn_var",
             "Ruby"         => "begin\n  1\nrescue => e\n  var = 2\nend",
-            "RawParseTree" => [:rescue,
-                               [:lit, 1],
-                               [:resbody, nil,
-                                [:block,
-                                 [:lasgn, :e, [:gvar, :$!]],
-                                 [:lasgn, :var, [:lit, 2]]]]],
             "ParseTree"    => s(:rescue,
                                 s(:lit, 1),
                                 s(:resbody,
@@ -3687,9 +2666,6 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("rescue_lasgn_var_empty",
             "Ruby"         => "begin\n  1\nrescue => e\n  # do nothing\nend",
-            "RawParseTree" => [:rescue,
-                               [:lit, 1],
-                               [:resbody, nil, [:lasgn, :e, [:gvar, :$!]]]],
             "ParseTree"    => s(:rescue,
                                 s(:lit, 1),
                                 s(:resbody,
@@ -3698,412 +2674,278 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("retry",
             "Ruby"         => "retry",
-            "RawParseTree" => [:retry],
             "ParseTree"    => s(:retry))
 
   add_tests("return_0",
             "Ruby"         => "return",
-            "RawParseTree" => [:return],
             "ParseTree"    => s(:return))
 
   add_tests("return_1",
             "Ruby"         => "return 1",
-            "RawParseTree" => [:return, [:lit, 1]],
             "ParseTree"    => s(:return, s(:lit, 1)))
 
   add_tests("return_1_splatted",
             "Ruby"         => "return *1",
-            "RawParseTree" => [:return, [:svalue, [:splat, [:lit, 1]]]],
             "ParseTree"    => s(:return, s(:svalue, s(:splat, s(:lit, 1)))))
 
   add_tests("return_n",
             "Ruby"         => "return 1, 2, 3",
-            "RawParseTree" => [:return, [:array,
-                                         [:lit, 1], [:lit, 2], [:lit, 3]]],
             "ParseTree"    => s(:return, s(:array,
                                            s(:lit, 1), s(:lit, 2), s(:lit, 3))),
             "Ruby2Ruby"    => "return [1, 2, 3]")
 
   add_tests("sclass",
             "Ruby"         => "class << self\n  42\nend",
-            "RawParseTree" => [:sclass, [:self], [:scope, [:lit, 42]]],
-            "ParseTree"    => s(:sclass, s(:self), s(:scope, s(:lit, 42))))
+            "ParseTree"    => s(:sclass, s(:self), s(:lit, 42)))
+
+  add_tests("sclass_multiple",
+            "Ruby"         => "class << self\n  x\n  y\nend",
+            "ParseTree"    => s(:sclass, s(:self),
+                                s(:call, nil, :x), s(:call, nil, :y)))
 
   add_tests("sclass_trailing_class",
-            "Ruby"         => "class A\n  class << self\n    a\n  end\n  class B\n  end\nend",
-            "RawParseTree" => [:class, :A, nil,
-                               [:scope,
-                                [:block,
-                                 [:sclass, [:self], [:scope, [:vcall, :a]]],
-                                 [:class, :B, nil, [:scope]]]]],
+            "Ruby"         => "class A\n  class << self\n    a\n  end\n  \n  class B\n  end\nend",
             "ParseTree"    => s(:class, :A, nil,
-                                s(:scope,
-                                  s(:block,
-                                    s(:sclass, s(:self),
-                                      s(:scope,
-                                        s(:call, nil, :a, s(:arglist)))),
-                                    s(:class, :B, nil, s(:scope))))))
+                                s(:sclass, s(:self),
+                                  s(:call, nil, :a)),
+                                s(:class, :B, nil)))
 
   add_tests("splat",
             "Ruby"         => "def x(*b)\n  a(*b)\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args, :"*b"],
-                                 [:fcall, :a, [:splat, [:lvar, :b]]]]]],
             "ParseTree"    => s(:defn, :x,
                                 s(:args, :"*b"),
-                                s(:scope,
-                                  s(:block,
-                                    s(:call, nil, :a,
-                                      s(:arglist, s(:splat, s(:lvar, :b))))))))
+                                s(:call, nil, :a, s(:splat, s(:lvar, :b)))))
 
   add_tests("splat_array",
             "Ruby"         => "[*[1]]",
-            "RawParseTree" => [:splat, [:array, [:lit, 1]]],
             "ParseTree"    => s(:array, s(:splat, s(:array, s(:lit, 1)))))
 
   add_tests("splat_break",
             "Ruby"         => "break *[1]",
-            "RawParseTree" => [:break, [:svalue, [:splat, [:array, [:lit, 1]]]]],
             "ParseTree"    => s(:break, s(:svalue, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_break_array",
             "Ruby"         => "break [*[1]]",
-            "RawParseTree" => [:break, [:splat, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:break, s(:array, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_fcall",
             "Ruby"         => "meth(*[1])",
-            "RawParseTree" => [:fcall, :meth,
-                               [:splat, [:array, [:lit, 1]]]],
-            "ParseTree"    => s(:call, nil, :meth,
-                             s(:arglist, s(:splat, s(:array, s(:lit, 1))))))
+            "ParseTree"    => s(:call,
+                                nil,
+                                :meth,
+                                s(:splat, s(:array, s(:lit, 1)))))
 
   add_tests("splat_fcall_array",
             "Ruby"         => "meth([*[1]])",
-            "RawParseTree" => [:fcall, :meth,
-                               [:array, [:splat, [:array, [:lit, 1]]]]],
             "ParseTree"    => s(:call, nil, :meth,
-                             s(:arglist,
-                               s(:array, s(:splat, s(:array, s(:lit, 1)))))))
+                                s(:array, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_lasgn",
             "Ruby"         => "x = *[1]",
-            "RawParseTree" => [:lasgn, :x, [:svalue, [:splat, [:array, [:lit, 1]]]]],
             "ParseTree"    => s(:lasgn, :x, s(:svalue, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_lasgn_array",
             "Ruby"         => "x = [*[1]]",
-            "RawParseTree" => [:lasgn, :x, [:splat, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:lasgn, :x, s(:array, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_lit_1",
             "Ruby"         => "[*1]",
-            "RawParseTree" => [:splat, [:lit, 1]], # UGH - damn MRI
+# UGH - damn MRI
             "ParseTree"    => s(:array, s(:splat, s(:lit, 1))))
 
   add_tests("splat_lit_n",
             "Ruby"         => "[1, *2]",
-            "RawParseTree" => [:argscat, [:array, [:lit, 1]], [:lit, 2]],
             "ParseTree"    => s(:array, s(:lit, 1), s(:splat, s(:lit, 2))))
 
   add_tests("splat_next",
             "Ruby"         => "next *[1]",
-            "RawParseTree" => [:next, [:svalue, [:splat, [:array, [:lit, 1]]]]],
             "ParseTree"    => s(:next, s(:svalue, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_next_array",
             "Ruby"         => "next [*[1]]",
-            "RawParseTree" => [:next, [:splat, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:next, s(:array, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_return",
             "Ruby"         => "return *[1]",
-            "RawParseTree" => [:return, [:svalue, [:splat, [:array, [:lit, 1]]]]],
             "ParseTree"    => s(:return, s(:svalue, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_return_array",
             "Ruby"         => "return [*[1]]",
-            "RawParseTree" => [:return, [:splat, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:return, s(:array, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_super",
             "Ruby"         => "super(*[1])",
-            "RawParseTree" => [:super, [:splat, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:super, s(:splat, s(:array, s(:lit, 1)))))
 
   add_tests("splat_super_array",
             "Ruby"         => "super([*[1]])",
-            "RawParseTree" => [:super, [:array, [:splat, [:array, [:lit, 1]]]]],
             "ParseTree"    => s(:super, s(:array, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("splat_yield",
             "Ruby"         => "yield(*[1])",
-            "RawParseTree" => [:yield, [:splat, [:array, [:lit, 1]]]],
             "ParseTree"    => s(:yield, s(:splat, s(:array, s(:lit, 1)))))
 
   add_tests("splat_yield_array",
             "Ruby"         => "yield([*[1]])",
-            "RawParseTree" => [:yield, [:splat, [:array, [:lit, 1]]], true],
             "ParseTree"    => s(:yield, s(:array, s(:splat, s(:array, s(:lit, 1))))))
 
   add_tests("str",
             "Ruby"         => '"x"',
-            "RawParseTree" => [:str, "x"],
             "ParseTree"    => s(:str, "x"))
 
   add_tests("str_concat_newline", # FIX? make prettier? possible?
             "Ruby"         => '"before" \\
   " after"',
-            "RawParseTree" => [:str, "before after"],
             "ParseTree"    => s(:str, "before after"),
             "Ruby2Ruby"    => '"before after"')
 
   add_tests("str_concat_space",
             "Ruby"         => '"before" " after"',
-            "RawParseTree" => [:str, "before after"],
             "ParseTree"    => s(:str, "before after"),
             "Ruby2Ruby"    => '"before after"')
 
   add_tests("str_heredoc",
             "Ruby"         => "<<'EOM'\n  blah\nblah\nEOM",
-            "RawParseTree" => [:str, "  blah\nblah\n"],
             "ParseTree"    => s(:str, "  blah\nblah\n"),
             "Ruby2Ruby"    => "\"  blah\\nblah\\n\"")
 
   add_tests("str_heredoc_call",
             "Ruby"         => "<<'EOM'.strip\n  blah\nblah\nEOM",
-            "RawParseTree" => [:call, [:str, "  blah\nblah\n"], :strip],
             "ParseTree"    => s(:call, s(:str, "  blah\nblah\n"),
-                                :strip, s(:arglist)),
+                                :strip),
             "Ruby2Ruby"    => "\"  blah\\nblah\\n\".strip")
 
   add_tests("str_heredoc_double",
             "Ruby"         => "a += <<-H1 + b + <<-H2\n  first\nH1\n  second\nH2",
-            "RawParseTree" => [:lasgn, :a,
-                               [:call,
-                                [:lvar, :a],
-                                :+,
-                                [:array,
-                                 [:call,
-                                  [:call, [:str, "  first\n"], :+,
-                                   [:array, [:vcall, :b]]],
-                                  :+,
-                                  [:array, [:str, "  second\n"]]]]]],
             "ParseTree"    => s(:lasgn, :a,
                                 s(:call,
                                   s(:lvar, :a),
                                   :+,
-                                  s(:arglist,
+                                  s(:call,
                                     s(:call,
-                                      s(:call, s(:str, "  first\n"), :+,
-                                        s(:arglist,
-                                          s(:call, nil, :b, s(:arglist)))),
+                                      s(:str, "  first\n"),
                                       :+,
-                                      s(:arglist, s(:str, "  second\n")))))),
+                                      s(:call, nil, :b)),
+                                    :+,
+                                    s(:str, "  second\n")))),
             "Ruby2Ruby"    => "a = (a + ((\"  first\\n\" + b) + \"  second\\n\"))")
 
   add_tests("str_heredoc_empty", # yes... tarded
             "Ruby"         => "<<'EOM'\nEOM",
-            "RawParseTree" => [:str, ""],
             "ParseTree"    => s(:str, ""),
             "Ruby2Ruby"    => '""')
 
   add_tests("str_heredoc_indent",
             "Ruby"         => "<<-EOM\n  blah\nblah\n\n  EOM",
-            "RawParseTree" => [:str, "  blah\nblah\n\n"],
             "ParseTree"    => s(:str, "  blah\nblah\n\n"),
             "Ruby2Ruby"    => "\"  blah\\nblah\\n\\n\"")
 
   add_tests("str_interp_file",
             "Ruby"         => '"file = #{__FILE__}\n"',
-            "RawParseTree" => [:str, "file = (string)\n"],
             "ParseTree"    => s(:str, "file = (string)\n"),
             "Ruby2Ruby"    => '"file = (string)\\n"')
 
   add_tests("structure_extra_block_for_dvar_scoping",
             "Ruby"         => "a.b do |c, d|\n  unless e.f(c) then\n    g = false\n    d.h { |x, i| g = true }\n  end\nend",
-            "RawParseTree" => [:iter,
-                               [:call, [:vcall, :a], :b],
-                               [:masgn, [:array,
-                                         [:dasgn_curr, :c],
-                                         [:dasgn_curr, :d]], nil, nil],
-                               [:if,
-                                [:call, [:vcall, :e], :f,
-                                 [:array, [:dvar, :c]]],
-                                nil,
-                                [:block,
-                                 [:dasgn_curr, :g, [:false]],
-                                 [:iter,
-                                  [:call, [:dvar, :d], :h],
-                                  [:masgn, [:array,
-                                            [:dasgn_curr, :x],
-                                            [:dasgn_curr, :i]], nil, nil],
-                                  [:dasgn, :g, [:true]]]]]],
             "ParseTree"    => s(:iter,
-                                s(:call,
-                                  s(:call, nil, :a, s(:arglist)),
-                                  :b, s(:arglist)),
-                                s(:masgn, s(:array,
-                                            s(:lasgn, :c),
-                                            s(:lasgn, :d))),
+                                s(:call, s(:call, nil, :a), :b),
+                                s(:args, :c, :d),
                                 s(:if,
-                                  s(:call, s(:call, nil, :e, s(:arglist)), :f,
-                                    s(:arglist, s(:lvar, :c))),
+                                  s(:call, s(:call, nil, :e), :f, s(:lvar, :c)),
                                   nil,
                                   s(:block,
                                     s(:lasgn, :g, s(:false)),
                                     s(:iter,
-                                      s(:call, s(:lvar, :d), :h, s(:arglist)),
-                                      s(:masgn, s(:array,
-                                                  s(:lasgn, :x),
-                                                  s(:lasgn, :i))),
+                                      s(:call, s(:lvar, :d), :h),
+                                      s(:args, :x, :i),
                                       s(:lasgn, :g, s(:true)))))))
 
   add_tests("structure_remove_begin_1",
             "Ruby"         => "a << begin\n       b\n     rescue\n       c\n     end",
-            "RawParseTree" => [:call, [:vcall, :a], :<<,
-                               [:array, [:rescue, [:vcall, :b],
-                                         [:resbody, nil, [:vcall, :c]]]]],
-            "ParseTree"    => s(:call, s(:call, nil, :a, s(:arglist)), :<<,
-                                s(:arglist,
-                                  s(:rescue,
-                                    s(:call, nil, :b, s(:arglist)),
-                                    s(:resbody, s(:array),
-                                      s(:call, nil, :c, s(:arglist)))))),
-            "Ruby2Ruby"    => "(a << b rescue c)")
+            "ParseTree"    => s(:call, s(:call, nil, :a), :<<,
+                                s(:rescue,
+                                  s(:call, nil, :b),
+                                  s(:resbody, s(:array),
+                                    s(:call, nil, :c)))),
+            "Ruby2Ruby"    => "(a << (b rescue c))")
 
   add_tests("structure_remove_begin_2",
             "Ruby"         => "a = if c\n      begin\n        b\n      rescue\n        nil\n      end\n    end\na",
-            "RawParseTree" => [:block,
-                               [:lasgn,
-                                :a,
-                                [:if, [:vcall, :c],
-                                 [:rescue,
-                                  [:vcall, :b],
-                                  [:resbody, nil, [:nil]]],
-                                 nil]],
-                               [:lvar, :a]],
             "ParseTree"    => s(:block,
                                 s(:lasgn,
                                   :a,
-                                  s(:if, s(:call, nil, :c, s(:arglist)),
-                                    s(:rescue, s(:call, nil, :b, s(:arglist)),
+                                  s(:if, s(:call, nil, :c),
+                                    s(:rescue, s(:call, nil, :b),
                                       s(:resbody,
                                         s(:array), s(:nil))),
                                     nil)),
                                 s(:lvar, :a)),
             "Ruby2Ruby"    => "a = b rescue nil if c\na\n") # OMG that's awesome
 
-  add_tests("structure_unused_literal_wwtt",
-            "Ruby"         => "\"prevent the above from infecting rdoc\"\n\nmodule Graffle\nend",
-            "RawParseTree" => [:module, :Graffle, [:scope]],
-            "ParseTree"    => s(:module, :Graffle, s(:scope)),
-            "Ruby2Ruby"    => "module Graffle\nend")
-
   add_tests("super_0",
             "Ruby"         => "def x\n  super()\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block, [:args], [:super]]]],
-            "ParseTree"    => s(:defn, :x,
-                                s(:args),
-                                s(:scope, s(:block, s(:super)))))
+            "ParseTree"    => s(:defn, :x, s(:args), s(:super)))
 
   add_tests("super_1",
             "Ruby"         => "def x\n  super(4)\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:super, [:array, [:lit, 4]]]]]],
-            "ParseTree"    => s(:defn, :x,
-                                s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:super, s(:lit, 4))))))
+            "ParseTree"    => s(:defn, :x, s(:args),
+                                s(:super, s(:lit, 4))))
 
   add_tests("super_1_array",
             "Ruby"         => "def x\n  super([24, 42])\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:super,
-                                  [:array,
-                                   [:array, [:lit, 24], [:lit, 42]]]]]]],
-            "ParseTree"    => s(:defn, :x,
-                                s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:super, s(:array,
-                                                s(:lit, 24),
-                                                s(:lit, 42)))))))
+            "ParseTree"    => s(:defn, :x, s(:args),
+                                s(:super, s(:array, s(:lit, 24), s(:lit, 42)))))
 
   add_tests("super_block_pass",
             "Ruby"         => "super(a, &b)",
-            "RawParseTree" => [:block_pass,
-                               [:vcall, :b], [:super, [:array, [:vcall, :a]]]],
             "ParseTree"    => s(:super,
-                                s(:call, nil, :a, s(:arglist)),
+                                s(:call, nil, :a),
                                 s(:block_pass,
-                                  s(:call, nil, :b, s(:arglist)))))
+                                  s(:call, nil, :b))))
 
   add_tests("super_block_splat",
             "Ruby"         => "super(a, *b)",
-            "RawParseTree" => [:super,
-                               [:argscat,
-                                [:array, [:vcall, :a]],
-                                [:vcall, :b]]],
             "ParseTree"    => s(:super,
-                                s(:call, nil, :a, s(:arglist)),
-                                s(:splat, s(:call, nil, :b, s(:arglist)))))
+                                s(:call, nil, :a),
+                                s(:splat, s(:call, nil, :b))))
 
   add_tests("super_n",
             "Ruby"         => "def x\n  super(24, 42)\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope,
-                                [:block,
-                                 [:args],
-                                 [:super, [:array, [:lit, 24], [:lit, 42]]]]]],
-            "ParseTree"    => s(:defn, :x,
-                                s(:args),
-                                s(:scope,
-                                  s(:block,
-                                    s(:super, s(:lit, 24), s(:lit, 42))))))
+            "ParseTree"    => s(:defn, :x, s(:args),
+                                s(:super, s(:lit, 24), s(:lit, 42))))
 
   add_tests("svalue",
             "Ruby"         => "a = *b",
-            "RawParseTree" => [:lasgn, :a, [:svalue, [:splat, [:vcall, :b]]]],
             "ParseTree"    => s(:lasgn, :a,
                                 s(:svalue,
-                                  s(:splat, s(:call, nil, :b, s(:arglist))))))
+                                  s(:splat, s(:call, nil, :b)))))
+
+  add_tests("ternary_nil_no_space",
+            "Ruby"         => "1 ? nil: 1",
+            "ParseTree"    => s(:if, s(:lit, 1), s(:nil), s(:lit, 1)),
+            "Ruby2Ruby"    => "1 ? (nil) : (1)")
+
+  add_tests("ternary_symbol_no_spaces",
+            "Ruby"         => "1?:x:1",
+            "ParseTree"    => s(:if, s(:lit, 1), s(:lit, :x), s(:lit, 1)),
+            "Ruby2Ruby"    => "1 ? (:x) : (1)")
 
   add_tests("to_ary",
             "Ruby"         => "a, b = c",
-            "RawParseTree" => [:masgn,
-                               [:array, [:lasgn, :a], [:lasgn, :b]], nil,
-                               [:to_ary, [:vcall, :c]]],
             "ParseTree"    => s(:masgn,
                                 s(:array, s(:lasgn, :a), s(:lasgn, :b)),
-                                s(:to_ary, s(:call, nil, :c, s(:arglist)))))
+                                s(:to_ary, s(:call, nil, :c))))
 
   add_tests("true",
             "Ruby"         => "true",
-            "RawParseTree" => [:true],
             "ParseTree"    => s(:true))
 
   add_tests("undef",
             "Ruby"         => "undef :x",
-            "RawParseTree" => [:undef, [:lit, :x]],
             "ParseTree"    => s(:undef, s(:lit, :x)))
 
   add_tests("undef_2",
             "Ruby"         => "undef :x, :y",
-            "RawParseTree" => [:block,
-                               [:undef, [:lit, :x]],
-                               [:undef, [:lit, :y]]],
             "ParseTree"    => s(:block,
                                 s(:undef, s(:lit, :x)),
                                 s(:undef, s(:lit, :y))),
@@ -4111,10 +2953,6 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("undef_3",
             "Ruby"         => "undef :x, :y, :z",
-            "RawParseTree" => [:block,
-                               [:undef, [:lit, :x]],
-                               [:undef, [:lit, :y]],
-                               [:undef, [:lit, :z]]],
             "ParseTree"    => s(:block,
                                 s(:undef, s(:lit, :x)),
                                 s(:undef, s(:lit, :y)),
@@ -4123,23 +2961,14 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("undef_block_1",
             "Ruby"         => "f1\nundef :x\n", # TODO: don't like the extra return
-            "RawParseTree" => [:block,
-                               [:vcall, :f1],
-                               [:undef, [:lit, :x]]],
             "ParseTree"    => s(:block,
-                                s(:call, nil, :f1, s(:arglist)),
+                                s(:call, nil, :f1),
                                 s(:undef, s(:lit, :x))))
 
   add_tests("undef_block_2",
             "Ruby"         => "f1\nundef :x, :y",
-            "RawParseTree" => [:block,
-                               [:vcall, :f1],
-                               [:block,
-                                [:undef, [:lit, :x]],
-                                [:undef, [:lit, :y]],
-                               ]],
             "ParseTree"    => s(:block,
-                                s(:call, nil, :f1, s(:arglist)),
+                                s(:call, nil, :f1),
                                 s(:block,
                                   s(:undef, s(:lit, :x)),
                                   s(:undef, s(:lit, :y)))),
@@ -4147,15 +2976,8 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("undef_block_3",
             "Ruby"         => "f1\nundef :x, :y, :z",
-            "RawParseTree" => [:block,
-                               [:vcall, :f1],
-                               [:block,
-                                [:undef, [:lit, :x]],
-                                [:undef, [:lit, :y]],
-                                [:undef, [:lit, :z]],
-                               ]],
             "ParseTree"    => s(:block,
-                                s(:call, nil, :f1, s(:arglist)),
+                                s(:call, nil, :f1),
                                 s(:block,
                                   s(:undef, s(:lit, :x)),
                                   s(:undef, s(:lit, :y)),
@@ -4164,254 +2986,128 @@ class ParseTreeTestCase < MiniTest::Unit::TestCase
 
   add_tests("undef_block_3_post",
             "Ruby"         => "undef :x, :y, :z\nf2",
-            "RawParseTree" => [:block,
-                               [:undef, [:lit, :x]],
-                               [:undef, [:lit, :y]],
-                               [:undef, [:lit, :z]],
-                               [:vcall, :f2]],
             "ParseTree"    => s(:block,
                                 s(:undef, s(:lit, :x)),
                                 s(:undef, s(:lit, :y)),
                                 s(:undef, s(:lit, :z)),
-                                s(:call, nil, :f2, s(:arglist))),
+                                s(:call, nil, :f2)),
             "Ruby2Ruby"    => "undef :x\nundef :y\nundef :z\nf2\n")
 
   add_tests("undef_block_wtf",
             "Ruby"         => "f1\nundef :x, :y, :z\nf2",
-            "RawParseTree" => [:block,
-                               [:vcall, :f1],
-                               [:block,
-                                [:undef, [:lit, :x]],
-                                [:undef, [:lit, :y]],
-                                [:undef, [:lit, :z]]],
-                               [:vcall, :f2]],
             "ParseTree"    => s(:block,
-                                s(:call, nil, :f1, s(:arglist)),
+                                s(:call, nil, :f1),
                                 s(:block,
                                   s(:undef, s(:lit, :x)),
                                   s(:undef, s(:lit, :y)),
                                   s(:undef, s(:lit, :z))),
-                                s(:call, nil, :f2, s(:arglist))),
+                                s(:call, nil, :f2)),
             "Ruby2Ruby"    => "f1\n(undef :x\nundef :y\nundef :z)\nf2\n")
 
-
   add_tests("unless_post",
             "Ruby"         => "a unless b",
-            "RawParseTree" => [:if, [:vcall, :b], nil, [:vcall, :a]],
-            "ParseTree"    => s(:if, s(:call, nil, :b, s(:arglist)), nil,
-                                s(:call, nil, :a, s(:arglist))))
-
-  add_tests("unless_post_not",
-            "Ruby"         => "a unless not b",
-            "RawParseTree" => [:if, [:vcall, :b], [:vcall, :a], nil],
-            "ParseTree"    => s(:if, s(:call, nil, :b, s(:arglist)),
-                                s(:call, nil, :a, s(:arglist)), nil),
-            "Ruby2Ruby"    => "a if b")
+            "ParseTree"    => s(:if, s(:call, nil, :b), nil,
+                                s(:call, nil, :a)))
 
   add_tests("unless_pre",
             "Ruby"         => "unless b then a end",
-            "RawParseTree" => [:if, [:vcall, :b], nil, [:vcall, :a]],
-            "ParseTree"    => s(:if, s(:call, nil, :b, s(:arglist)), nil,
-                                s(:call, nil, :a, s(:arglist))),
+            "ParseTree"    => s(:if, s(:call, nil, :b), nil,
+                                s(:call, nil, :a)),
             "Ruby2Ruby"    => "a unless b")
 
-  add_tests("unless_pre_not",
-            "Ruby"         => "unless not b then a end",
-            "RawParseTree" => [:if, [:vcall, :b], [:vcall, :a], nil],
-            "ParseTree"    => s(:if, s(:call, nil, :b, s(:arglist)),
-                                s(:call, nil, :a, s(:arglist)), nil),
-            "Ruby2Ruby"    => "a if b")
-
   add_tests("until_post",
             "Ruby"         => "begin\n  (1 + 1)\nend until false",
-            "RawParseTree" => [:until, [:false],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], false],
             "ParseTree"    => s(:until, s(:false),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), false))
-
-  add_tests("until_post_not",
-            "Ruby"         => "begin\n  (1 + 1)\nend until not true",
-            "RawParseTree" => [:while, [:true],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], false],
-            "ParseTree"    => s(:while, s(:true),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), false),
-            "Ruby2Ruby"    => "begin\n  (1 + 1)\nend while true")
+                                s(:call, s(:lit, 1), :+, s(:lit, 1)), false))
 
   add_tests("until_pre",
             "Ruby"         => "until false do\n  (1 + 1)\nend",
-            "RawParseTree" => [:until, [:false],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], true],
             "ParseTree"    => s(:until, s(:false),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), true))
+                                s(:call, s(:lit, 1), :+, s(:lit, 1)), true))
 
   add_tests("until_pre_mod",
             "Ruby"         => "(1 + 1) until false",
-            "RawParseTree" => [:until, [:false],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], true],
             "ParseTree"    => s(:until, s(:false),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), true),
+                                s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
             "Ruby2Ruby"    => "until false do\n  (1 + 1)\nend")
 
-  add_tests("until_pre_not",
-            "Ruby"         => "until not true do\n  (1 + 1)\nend",
-            "RawParseTree" => [:while, [:true],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], true],
-            "ParseTree"    => s(:while, s(:true),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), true),
-            "Ruby2Ruby"    => "while true do\n  (1 + 1)\nend")
-
-  add_tests("until_pre_not_mod",
-            "Ruby"         => "(1 + 1) until not true",
-            "RawParseTree" => [:while, [:true],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], true],
-            "ParseTree"    => s(:while, s(:true),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), true),
-            "Ruby2Ruby"    => "while true do\n  (1 + 1)\nend")
-
   add_tests("valias",
             "Ruby"         => "alias $y $x",
-            "RawParseTree" => [:valias, :$y, :$x],
             "ParseTree"    => s(:valias, :$y, :$x))
 
   add_tests("vcall",
             "Ruby"         => "method",
-            "RawParseTree" => [:vcall, :method],
-            "ParseTree"    => s(:call, nil, :method, s(:arglist)))
+            "ParseTree"    => s(:call, nil, :method))
 
   add_tests("while_post",
             "Ruby"         => "begin\n  (1 + 1)\nend while false",
-            "RawParseTree" => [:while, [:false],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], false],
             "ParseTree"    => s(:while, s(:false),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), false))
+                                s(:call, s(:lit, 1), :+, s(:lit, 1)), false))
 
   add_tests("while_post2",
             "Ruby"         => "begin\n  (1 + 2)\n  (3 + 4)\nend while false",
-            "RawParseTree" => [:while, [:false],
-                               [:block,
-                                [:call, [:lit, 1], :+, [:array, [:lit, 2]]],
-                                [:call, [:lit, 3], :+, [:array, [:lit, 4]]]],
-                               false],
             "ParseTree"    => s(:while, s(:false),
                                 s(:block,
-                                  s(:call, s(:lit, 1), :+,
-                                    s(:arglist, s(:lit, 2))),
-                                  s(:call, s(:lit, 3), :+,
-                                    s(:arglist, s(:lit, 4)))),
+                                  s(:call, s(:lit, 1), :+, s(:lit, 2)),
+                                  s(:call, s(:lit, 3), :+, s(:lit, 4))),
                                 false))
 
-  add_tests("while_post_not",
-            "Ruby"         => "begin\n  (1 + 1)\nend while not true",
-            "RawParseTree" => [:until, [:true],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], false],
-            "ParseTree"    => s(:until, s(:true),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), false),
-            "Ruby2Ruby"    => "begin\n  (1 + 1)\nend until true")
-
   add_tests("while_pre",
             "Ruby"         => "while false do\n  (1 + 1)\nend",
-            "RawParseTree" => [:while, [:false],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], true],
             "ParseTree"    => s(:while, s(:false),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), true))
+                                s(:call, s(:lit, 1), :+, s(:lit, 1)), true))
 
   add_tests("while_pre_mod",
             "Ruby"         => "(1 + 1) while false",
-            "RawParseTree" => [:while, [:false],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], true],
             "ParseTree"    => s(:while, s(:false),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), true),
+                                s(:call, s(:lit, 1), :+, s(:lit, 1)), true),
             "Ruby2Ruby"    => "while false do\n  (1 + 1)\nend") # FIX can be one liner
 
   add_tests("while_pre_nil",
             "Ruby"         => "while false do\nend",
-            "RawParseTree" => [:while, [:false], nil, true],
             "ParseTree"    => s(:while, s(:false), nil, true))
 
-  add_tests("while_pre_not",
-            "Ruby"         => "while not true do\n  (1 + 1)\nend",
-            "RawParseTree" => [:until, [:true],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], true],
-            "ParseTree"    => s(:until, s(:true),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), true),
-            "Ruby2Ruby"    => "until true do\n  (1 + 1)\nend")
-
-  add_tests("while_pre_not_mod",
-            "Ruby"         => "(1 + 1) while not true",
-            "RawParseTree" => [:until, [:true],
-                               [:call, [:lit, 1], :+,
-                                [:array, [:lit, 1]]], true],
-            "ParseTree"    => s(:until, s(:true),
-                                s(:call, s(:lit, 1), :+,
-                                  s(:arglist, s(:lit, 1))), true),
-            "Ruby2Ruby"    => "until true do\n  (1 + 1)\nend") # FIX
-
   add_tests("xstr",
             "Ruby"         => "`touch 5`",
-            "RawParseTree" => [:xstr, 'touch 5'],
             "ParseTree"    => s(:xstr, 'touch 5'))
 
   add_tests("yield_0",
             "Ruby"         => "yield",
-            "RawParseTree" => [:yield],
             "ParseTree"    => s(:yield))
 
   add_tests("yield_1",
             "Ruby"         => "yield(42)",
-            "RawParseTree" => [:yield, [:lit, 42]],
             "ParseTree"    => s(:yield, s(:lit, 42)))
 
   add_tests("yield_array_0",
             "Ruby"         => "yield([])",
-            "RawParseTree" => [:yield, [:zarray], true],
             "ParseTree"    => s(:yield, s(:array)))
 
   add_tests("yield_array_1",
             "Ruby"         => "yield([42])",
-            "RawParseTree" => [:yield, [:array, [:lit, 42]], true],
             "ParseTree"    => s(:yield, s(:array, s(:lit, 42))))
 
   add_tests("yield_array_n",
             "Ruby"         => "yield([42, 24])",
-            "RawParseTree" => [:yield, [:array, [:lit, 42], [:lit, 24]], true],
             "ParseTree"    => s(:yield, s(:array, s(:lit, 42), s(:lit, 24))))
 
   add_tests("yield_n",
             "Ruby"         => "yield(42, 24)",
-            "RawParseTree" => [:yield, [:array, [:lit, 42], [:lit, 24]]],
             "ParseTree"    => s(:yield, s(:lit, 42), s(:lit, 24)))
 
   add_tests("zarray",
             "Ruby"         => "a = []",
-            "RawParseTree" => [:lasgn, :a, [:zarray]],
             "ParseTree"    => s(:lasgn, :a, s(:array)))
 
   add_tests("zsuper",
             "Ruby"         => "def x\n  super\nend",
-            "RawParseTree" => [:defn, :x,
-                               [:scope, [:block, [:args], [:zsuper]]]],
-            "ParseTree"    => s(:defn, :x, s(:args),
-                                s(:scope, s(:block, s(:zsuper)))))
+            "ParseTree"    => s(:defn, :x, s(:args), s(:zsuper)))
+
+# TODO: discuss and decide which lit we like
+#   it "converts a regexp to an sexp" do
+#     "/blah/".to_sexp.should == s(:regex, "blah", 0)
+#     "/blah/i".to_sexp.should == s(:regex, "blah", 1)
+#     "/blah/u".to_sexp.should == s(:regex, "blah", 64)
+#   end
+
 end
diff --git a/rubygem-ruby2ruby.spec b/rubygem-ruby2ruby.spec
index 0479371..3f02a91 100644
--- a/rubygem-ruby2ruby.spec
+++ b/rubygem-ruby2ruby.spec
@@ -4,8 +4,8 @@
 
 Summary: Generate pure ruby from RubyParser compatible Sexps
 Name: rubygem-%{gem_name}
-Version: 2.0.6
-Release: 2%{?dist}
+Version: 2.1.1
+Release: 1%{?dist}
 Group: Development/Languages
 License: MIT
 URL: http://seattlerb.rubyforge.org/ruby2ruby/
@@ -15,10 +15,6 @@ Source0: http://gems.rubyforge.org/gems/%{gem_name}-%{version}.gem
 # dependency
 Source1: pt_testcase.rb
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-Requires: rubygem(sexp_processor)
-Requires: rubygem(ruby_parser)
-Requires: ruby(rubygems)
-Requires: ruby(release)
 BuildRequires: rubygems-devel
 BuildRequires: ruby(release)
 BuildRequires: rubygem(minitest)
@@ -42,15 +38,20 @@ Requires: %{name} = %{version}-%{release}
 This package contains documentation for %{name}.
 
 %prep
-%setup -q -c -T
+gem unpack %{SOURCE0}
+
+%setup -q -D -T -n  %{gem_name}-%{version}
+
+gem spec %{SOURCE0} -l --ruby > %{gem_name}.gemspec
 
 %build
-%gem_install -n %{SOURCE0}
+gem build %{gem_name}.gemspec
+
+%gem_install
 
 cp -p %{SOURCE1} $(pwd)/%{gem_instdir}/test/
 
 %install
-rm -rf %{buildroot}
 mkdir -p %{buildroot}%{gem_dir}
 cp -a .%{gem_dir}/* %{buildroot}%{gem_dir}/
 
@@ -70,12 +71,9 @@ find %{buildroot}%{gem_instdir} -type f | \
 find %{buildroot}%{gem_instdir}/bin -type f | \
   xargs chmod 0755
 
-%clean
-rm -rf %{buildroot}
-
 %check
 pushd .%{gem_instdir}
-testrb test
+ruby -Ilib:test test/test_ruby2ruby.rb
 popd
 
 %files
@@ -99,6 +97,10 @@ popd
 %{gem_docdir}
 
 %changelog
+* Thu Jul 31 2014 Mo Morsi <mmorsi at redhat.com> - 2.1.1-1
+- Update to 2.1.1
+- fix build against rawhide (use latest pt_testcase.rb from sexp_processor)
+
 * Sun Jun 08 2014 Fedora Release Engineering <rel-eng at lists.fedoraproject.org> - 2.0.6-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
 


More information about the scm-commits mailing list